105110691913 has 2 divisors, whose sum is σ = 105110691914. Its totient is φ = 105110691912.

The previous prime is 105110691839. The next prime is 105110691919. The reversal of 105110691913 is 319196011501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102782436409 + 2328255504 = 320597^2 + 48252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105110691913 is a prime.

It is a super-2 number, since 2×105110691913² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105110691919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555345956 + 52555345957.

It is an arithmetic number, because the mean of its divisors is an integer number (52555345957).

Almost surely, 2^105110691913 is an apocalyptic number.

It is an amenable number.

105110691913 is a deficient number, since it is larger than the sum of its proper divisors (1).

105110691913 is an equidigital number, since it uses as much as digits as its factorization.

105110691913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 37.

The spelling of 105110691913 in words is "one hundred five billion, one hundred ten million, six hundred ninety-one thousand, nine hundred thirteen".