113775772065 has 32 divisors (see below), whose sum is σ = 188355697920. Its totient is φ = 58576417536.

The previous prime is 113775772039. The next prime is 113775772069. The reversal of 113775772065 is 560277577311.

It is not a de Polignac number, because 113775772065 - 2⁶ = 113775772001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113775771999 and 113775772017.

It is not an unprimeable number, because it can be changed into a prime (113775772069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2453484 + ... + 2499426.

It is an arithmetic number, because the mean of its divisors is an integer number (5886115560).

Almost surely, 2^113775772065 is an apocalyptic number.

113775772065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113775772065 is a deficient number, since it is larger than the sum of its proper divisors (74579925855).

113775772065 is a wasteful number, since it uses less digits than its factorization.

113775772065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51673.

The product of its (nonzero) digits is 2160900, while the sum is 51.

The spelling of 113775772065 in words is "one hundred thirteen billion, seven hundred seventy-five million, seven hundred seventy-two thousand, sixty-five".