118537245505 has 16 divisors (see below), whose sum is σ = 171121438080. Its totient is φ = 77004646272.

The previous prime is 118537245493. The next prime is 118537245517. The reversal of 118537245505 is 505542735811.

It is an interprime number because it is at equal distance from previous prime (118537245493) and next prime (118537245517).

It is a cyclic number.

It is not a de Polignac number, because 118537245505 - 2⁷ = 118537245377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89125084 + ... + 89126413.

It is an arithmetic number, because the mean of its divisors is an integer number (10695089880).

Almost surely, 2^118537245505 is an apocalyptic number.

It is an amenable number.

118537245505 is a deficient number, since it is larger than the sum of its proper divisors (52584192575).

118537245505 is a wasteful number, since it uses less digits than its factorization.

118537245505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178251528.

The product of its (nonzero) digits is 840000, while the sum is 46.

The spelling of 118537245505 in words is "one hundred eighteen billion, five hundred thirty-seven million, two hundred forty-five thousand, five hundred five".