113610799891 has 2 divisors, whose sum is σ = 113610799892. Its totient is φ = 113610799890.

The previous prime is 113610799873. The next prime is 113610799909. The reversal of 113610799891 is 198997016311.

It is a balanced prime because it is at equal distance from previous prime (113610799873) and next prime (113610799909).

It is a cyclic number.

It is not a de Polignac number, because 113610799891 - 2¹¹ = 113610797843 is a prime.

It is a super-2 number, since 2×113610799891² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113610799831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56805399945 + 56805399946.

It is an arithmetic number, because the mean of its divisors is an integer number (56805399946).

Almost surely, 2^113610799891 is an apocalyptic number.

113610799891 is a deficient number, since it is larger than the sum of its proper divisors (1).

113610799891 is an equidigital number, since it uses as much as digits as its factorization.

113610799891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 55.

The spelling of 113610799891 in words is "one hundred thirteen billion, six hundred ten million, seven hundred ninety-nine thousand, eight hundred ninety-one".