113168324025 has 81 divisors (see below), whose sum is σ = 208141968333. Its totient is φ = 58776681600.

The previous prime is 113168324011. The next prime is 113168324149. The reversal of 113168324025 is 520423861311.

The square root of 113168324025 is 336405.

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

113168324025 is a `hidden beast` number, since 1 + 1 + 316 + 83 + 240 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47634372009 + 65533952016 = 218253^2 + 255996^2 .

It is not a de Polignac number, because 113168324025 - 2⁵ = 113168323993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 206888802 + ... + 206889348.

Almost surely, 2^113168324025 is an apocalyptic number.

113168324025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113168324025 is the 336405-th square number.

113168324025 is the 168203-rd centered octagonal number.

It is an amenable number.

113168324025 is a deficient number, since it is larger than the sum of its proper divisors (94973644308).

113168324025 is an frugal number, since it uses more digits than its factorization.

113168324025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Multiplying 113168324025 by its sum of digits (36), we get a square (4074059664900 = 2018430²).

The spelling of 113168324025 in words is "one hundred thirteen billion, one hundred sixty-eight million, three hundred twenty-four thousand, twenty-five".