111713035225 has 81 divisors (see below), whose sum is σ = 156404904159. Its totient is φ = 79093370400.

The previous prime is 111713035193. The next prime is 111713035229. The reversal of 111713035225 is 522530317111.

It is a happy number.

The square root of 111713035225 is 334235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40216692681 + 71496342544 = 200541^2 + 267388^2 .

It is not a de Polignac number, because 111713035225 - 2⁵ = 111713035193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111713035229) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1084592524 + ... + 1084592626.

Almost surely, 2^111713035225 is an apocalyptic number.

111713035225 is the 334235-th square number.

111713035225 is the 167118-th centered octagonal number.

It is an amenable number.

111713035225 is a deficient number, since it is larger than the sum of its proper divisors (44691868934).

111713035225 is an equidigital number, since it uses as much as digits as its factorization.

111713035225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The spelling of 111713035225 in words is "one hundred eleven billion, seven hundred thirteen million, thirty-five thousand, two hundred twenty-five".