113217651777 has 64 divisors (see below), whose sum is σ = 162586828800. Its totient is φ = 69915605760.

The previous prime is 113217651769. The next prime is 113217651779. The reversal of 113217651777 is 777156712311.

It is not a de Polignac number, because 113217651777 - 2³ = 113217651769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113217651779) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171801874 + ... + 171802532.

It is an arithmetic number, because the mean of its divisors is an integer number (2540419200).

Almost surely, 2^113217651777 is an apocalyptic number.

It is an amenable number.

113217651777 is a deficient number, since it is larger than the sum of its proper divisors (49369177023).

113217651777 is a wasteful number, since it uses less digits than its factorization.

113217651777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 432180, while the sum is 48.

The spelling of 113217651777 in words is "one hundred thirteen billion, two hundred seventeen million, six hundred fifty-one thousand, seven hundred seventy-seven".