115793881225 has 81 divisors (see below), whose sum is σ = 165600059989. Its totient is φ = 80252814400.

The previous prime is 115793881211. The next prime is 115793881297. The reversal of 115793881225 is 522188397511.

The square root of 115793881225 is 340285.

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 44415141001 + 71378740224 = 210749^2 + 267168^2 .

It is not a de Polignac number, because 115793881225 - 2²³ = 115785492617 is a prime.

It is a Duffinian number.

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, 430460391 + ... + 430460659.

Almost surely, 2^115793881225 is an apocalyptic number.

115793881225 is the 340285-th square number.

115793881225 is the 170143-rd centered octagonal number.

It is an amenable number.

115793881225 is a deficient number, since it is larger than the sum of its proper divisors (49806178764).

115793881225 is an equidigital number, since it uses as much as digits as its factorization.

115793881225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 308 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 52.

The spelling of 115793881225 in words is "one hundred fifteen billion, seven hundred ninety-three million, eight hundred eighty-one thousand, two hundred twenty-five".