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11087171010905 = 5113710153942983
BaseRepresentation
bin1010000101010110111011…
…1000111100000101011001
31110020220221000021211221212
42201111232320330011121
52423123011234322110
635325213120512505
72223010301433263
oct241255670740531
943226830254855
1011087171010905
113595051aa2690
1212b092717b735
13625692109292
142a489c864b33
151436094c1e05
hexa156ee3c159

11087171010905 has 32 divisors (see below), whose sum is σ = 15053976430848. Its totient is φ = 7767789408000.

The previous prime is 11087171010841. The next prime is 11087171010917. The reversal of 11087171010905 is 50901017178011.

11087171010905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11087171010905 - 26 = 11087171010841 is a prime.

It is a super-2 number, since 2×110871710109052 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26765957 + ... + 27177026.

It is an arithmetic number, because the mean of its divisors is an integer number (470436763464).

Almost surely, 211087171010905 is an apocalyptic number.

It is an amenable number.

11087171010905 is a deficient number, since it is larger than the sum of its proper divisors (3966805419943).

11087171010905 is a wasteful number, since it uses less digits than its factorization.

11087171010905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53943137.

The product of its (nonzero) digits is 17640, while the sum is 41.

Adding to 11087171010905 its reverse (50901017178011), we get a palindrome (61988188188916).

The spelling of 11087171010905 in words is "eleven trillion, eighty-seven billion, one hundred seventy-one million, ten thousand, nine hundred five".

Divisors: 1 5 11 37 55 101 185 407 505 1111 2035 3737 5555 18685 41107 205535 53942983 269714915 593372813 1995890371 2966864065 5448241283 9979451855 21954794081 27241206415 59930654113 109773970405 201584927471 299653270565 1007924637355 2217434202181 11087171010905