113397655961 has 4 divisors (see below), whose sum is σ = 113683292772. Its totient is φ = 113112019152.

The previous prime is 113397655957. The next prime is 113397656017. The reversal of 113397655961 is 169556793311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90790729225 + 22606926736 = 301315^2 + 150356^2 .

It is a cyclic number.

It is not a de Polignac number, because 113397655961 - 2² = 113397655957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113397655897 and 113397655906.

It is not an unprimeable number, because it can be changed into a prime (113397655061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142817810 + ... + 142818603.

It is an arithmetic number, because the mean of its divisors is an integer number (28420823193).

Almost surely, 2^113397655961 is an apocalyptic number.

It is an amenable number.

113397655961 is a deficient number, since it is larger than the sum of its proper divisors (285636811).

113397655961 is an equidigital number, since it uses as much as digits as its factorization.

113397655961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285636810.

The product of its digits is 4592700, while the sum is 56.

The spelling of 113397655961 in words is "one hundred thirteen billion, three hundred ninety-seven million, six hundred fifty-five thousand, nine hundred sixty-one".