118862905225 has 27 divisors (see below), whose sum is σ = 150338972959. Its totient is φ = 93224456000.

The previous prime is 118862905207. The next prime is 118862905241. The reversal of 118862905225 is 522509268811.

The square root of 118862905225 is 344765.

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

It can be written as a sum of positive squares in 13 ways, for example, as 116982468729 + 1880436496 = 342027^2 + 43364^2 .

It is not a de Polignac number, because 118862905225 - 2⁵ = 118862905193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 91362075 + ... + 91363375.

Almost surely, 2^118862905225 is an apocalyptic number.

118862905225 is the 344765-th square number.

118862905225 is the 172383-rd centered octagonal number.

It is an amenable number.

118862905225 is a deficient number, since it is larger than the sum of its proper divisors (31476067734).

118862905225 is an frugal number, since it uses more digits than its factorization.

118862905225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

Multiplying 118862905225 by its sum of digits (49), we get a square (5824282356025 = 2413355²).

The spelling of 118862905225 in words is "one hundred eighteen billion, eight hundred sixty-two million, nine hundred five thousand, two hundred twenty-five".