113552425521 has 6 divisors (see below), whose sum is σ = 164020170210. Its totient is φ = 75701617008.

The previous prime is 113552425513. The next prime is 113552425537. The reversal of 113552425521 is 125524255311.

113552425521 is a `hidden beast` number, since 1 + 13 + 5 + 52 + 42 + 552 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83706062400 + 29846363121 = 289320^2 + 172761^2 .

It is not a de Polignac number, because 113552425521 - 2³ = 113552425513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113552420521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6308468076 + ... + 6308468093.

It is an arithmetic number, because the mean of its divisors is an integer number (27336695035).

Almost surely, 2^113552425521 is an apocalyptic number.

It is an amenable number.

113552425521 is a deficient number, since it is larger than the sum of its proper divisors (50467744689).

113552425521 is a wasteful number, since it uses less digits than its factorization.

113552425521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12616936175 (or 12616936172 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 113552425521 in words is "one hundred thirteen billion, five hundred fifty-two million, four hundred twenty-five thousand, five hundred twenty-one".