116254403521 has 9 divisors (see below), whose sum is σ = 118278680961. Its totient is φ = 114264214164.

The previous prime is 116254403501. The next prime is 116254403527. The reversal of 116254403521 is 125304452611.

The square root of 116254403521 is 340961.

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

It is not a de Polignac number, because 116254403521 - 2²⁵ = 116220849089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116254403527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20113810 + ... + 20119588.

Almost surely, 2^116254403521 is an apocalyptic number.

116254403521 is the 340961-st square number.

116254403521 is the 170481-st centered octagonal number.

It is an amenable number.

116254403521 is a deficient number, since it is larger than the sum of its proper divisors (2024277440).

116254403521 is an frugal number, since it uses more digits than its factorization.

116254403521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676 (or 5838 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 116254403521 in words is "one hundred sixteen billion, two hundred fifty-four million, four hundred three thousand, five hundred twenty-one".