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11641108885889 = 73011955214833
BaseRepresentation
bin1010100101100110100000…
…1010001111000110000001
31112012212201220010111202212
42221121220022033012001
53011211442333322024
640431503535551505
72311020346614530
oct251315012170601
945185656114685
1011641108885889
113788a6a53496a
12138015b98b595
136659a0aa61c2
142c360b39a317
15152c2a54ca0e
hexa966828f181

11641108885889 has 8 divisors (see below), whose sum is σ = 13304566400640. Its totient is φ = 9977761861056.

The previous prime is 11641108885867. The next prime is 11641108885933. The reversal of 11641108885889 is 98858880114611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11641108885889 - 228 = 11640840450433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11641108885489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27396584 + ... + 27818249.

It is an arithmetic number, because the mean of its divisors is an integer number (1663070800080).

Almost surely, 211641108885889 is an apocalyptic number.

It is an amenable number.

11641108885889 is a deficient number, since it is larger than the sum of its proper divisors (1663457514751).

11641108885889 is an equidigital number, since it uses as much as digits as its factorization.

11641108885889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55244959.

The product of its (nonzero) digits is 35389440, while the sum is 68.

The spelling of 11641108885889 in words is "eleven trillion, six hundred forty-one billion, one hundred eight million, eight hundred eighty-five thousand, eight hundred eighty-nine".

Divisors: 1 7 30119 210833 55214833 386503831 1663015555127 11641108885889