113932576521 has 27 divisors (see below), whose sum is σ = 167493694381. Its totient is φ = 74628522744.

The previous prime is 113932576477. The next prime is 113932576559. The reversal of 113932576521 is 125675239311.

The square root of 113932576521 is 337539.

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

113932576521 is a `hidden beast` number, since 1 + 1 + 39 + 3 + 25 + 76 + 521 = 666.

It is not a de Polignac number, because 113932576521 - 2¹³ = 113932568329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113932576561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 59743450 + ... + 59745356.

Almost surely, 2^113932576521 is an apocalyptic number.

113932576521 is the 337539-th square number.

113932576521 is the 168770-th centered octagonal number.

It is an amenable number.

113932576521 is a deficient number, since it is larger than the sum of its proper divisors (53561117860).

113932576521 is an frugal number, since it uses more digits than its factorization.

113932576521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938 (or 1969 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The spelling of 113932576521 in words is "one hundred thirteen billion, nine hundred thirty-two million, five hundred seventy-six thousand, five hundred twenty-one".