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1110001111081 is a prime number
BaseRepresentation
bin10000001001110001001…
…110001101000000101001
310221010002212220211222021
4100021301032031000221
5121141240241023311
62205532200024441
7143123601524542
oct20116116150051
93833085824867
101110001111081
11398826764855
1215b161162121
1380898a94395
143ba1d8394c9
151dd189cd171
hex1027138d029

1110001111081 has 2 divisors, whose sum is σ = 1110001111082. Its totient is φ = 1110001111080.

The previous prime is 1110001111069. The next prime is 1110001111199. The reversal of 1110001111081 is 1801111000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109196537856 + 804573225 = 1053184^2 + 28365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110001111081 - 215 = 1110001078313 is a prime.

It is a super-3 number, since 3×11100011110813 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1110001111781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555000555540 + 555000555541.

It is an arithmetic number, because the mean of its divisors is an integer number (555000555541).

Almost surely, 21110001111081 is an apocalyptic number.

It is an amenable number.

1110001111081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110001111081 is an equidigital number, since it uses as much as digits as its factorization.

1110001111081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 1110001111081 its reverse (1801111000111), we get a palindrome (2911112111192).

The spelling of 1110001111081 in words is "one trillion, one hundred ten billion, one million, one hundred eleven thousand, eighty-one".