113655961512025 has 27 divisors (see below), whose sum is σ = 149712444277501. Its totient is φ = 85575571072640.

The previous prime is 113655961511999. The next prime is 113655961512043. The reversal of 113655961512025 is 520215169556311.

The square root of 113655961512025 is 10660955.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2658526989001 + 110997434523024 = 1630499^2 + 10535532^2 .

It is not a de Polignac number, because 113655961512025 - 2⁵ = 113655961511993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 906118464 + ... + 906243886.

Almost surely, 2^{113655961512025} is an apocalyptic number.

113655961512025 is the 10660955-th square number.

113655961512025 is the 5330478-th centered octagonal number.

It is an amenable number.

113655961512025 is a deficient number, since it is larger than the sum of its proper divisors (36056482765476).

113655961512025 is an frugal number, since it uses more digits than its factorization.

113655961512025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250890 (or 125445 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 52.

The spelling of 113655961512025 in words is "one hundred thirteen trillion, six hundred fifty-five billion, nine hundred sixty-one million, five hundred twelve thousand, twenty-five".