118537245506 has 16 divisors (see below), whose sum is σ = 186056937144. Its totient is φ = 56578713984.

The previous prime is 118537245493. The next prime is 118537245517. The reversal of 118537245506 is 605542735811.

It can be written as a sum of positive squares in 4 ways, for example, as 108181130281 + 10356115225 = 328909^2 + 101765^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15107915 + ... + 15115758.

Almost surely, 2^118537245506 is an apocalyptic number.

118537245506 is a deficient number, since it is larger than the sum of its proper divisors (67519691638).

118537245506 is a wasteful number, since it uses less digits than its factorization.

118537245506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30223765.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 118537245506 in words is "one hundred eighteen billion, five hundred thirty-seven million, two hundred forty-five thousand, five hundred six".