118537839145 has 16 divisors (see below), whose sum is σ = 155368679040. Its totient is φ = 86102742400.

The previous prime is 118537839143. The next prime is 118537839149. The reversal of 118537839145 is 541938735811.

It is not a de Polignac number, because 118537839145 - 2¹ = 118537839143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (118537839143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287541 + ... + 1376530.

It is an arithmetic number, because the mean of its divisors is an integer number (9710542440).

Almost surely, 2^118537839145 is an apocalyptic number.

It is an amenable number.

118537839145 is a deficient number, since it is larger than the sum of its proper divisors (36830839895).

118537839145 is a wasteful number, since it uses less digits than its factorization.

118537839145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664896.

The product of its digits is 3628800, while the sum is 55.

The spelling of 118537839145 in words is "one hundred eighteen billion, five hundred thirty-seven million, eight hundred thirty-nine thousand, one hundred forty-five".