115525654225 has 12 divisors (see below), whose sum is σ = 145954677276. Its totient is φ = 90676738880.

The previous prime is 115525654219. The next prime is 115525654243. The reversal of 115525654225 is 522456525511.

It can be written as a sum of positive squares in 6 ways, for example, as 13935566401 + 101590087824 = 118049^2 + 318732^2 .

It is not a de Polignac number, because 115525654225 - 2⁵ = 115525654193 is a prime.

It is a super-2 number, since 2×115525654225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43593262 + ... + 43595911.

It is an arithmetic number, because the mean of its divisors is an integer number (12162889773).

Almost surely, 2^115525654225 is an apocalyptic number.

It is an amenable number.

115525654225 is a deficient number, since it is larger than the sum of its proper divisors (30429023051).

115525654225 is an equidigital number, since it uses as much as digits as its factorization.

115525654225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87189236 (or 87189231 counting only the distinct ones).

The product of its digits is 600000, while the sum is 43.

The spelling of 115525654225 in words is "one hundred fifteen billion, five hundred twenty-five million, six hundred fifty-four thousand, two hundred twenty-five".