118712545245 has 128 divisors (see below), whose sum is σ = 251357184000. Its totient is φ = 53112967488.

The previous prime is 118712545241. The next prime is 118712545267. The reversal of 118712545245 is 542545217811.

118712545245 is a `hidden beast` number, since 1 + 1 + 8 + 71 + 2 + 54 + 524 + 5 = 666.

It is not a de Polignac number, because 118712545245 - 2² = 118712545241 is a prime.

It is a super-2 number, since 2×118712545245² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 118712545245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118712545241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2149062 + ... + 2203608.

It is an arithmetic number, because the mean of its divisors is an integer number (1963728000).

Almost surely, 2^118712545245 is an apocalyptic number.

118712545245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118712545245 is an abundant number, since it is smaller than the sum of its proper divisors (132644638755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118712545245 is an equidigital number, since it uses as much as digits as its factorization.

118712545245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54629 (or 54609 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The spelling of 118712545245 in words is "one hundred eighteen billion, seven hundred twelve million, five hundred forty-five thousand, two hundred forty-five".