118817537428 has 24 divisors (see below), whose sum is σ = 214788654080. Its totient is φ = 57452038560.

The previous prime is 118817537389. The next prime is 118817537429. The reversal of 118817537428 is 824735718811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118817537429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158076 + ... + 512467.

Almost surely, 2^118817537428 is an apocalyptic number.

It is an amenable number.

118817537428 is a deficient number, since it is larger than the sum of its proper divisors (95971116652).

118817537428 is a wasteful number, since it uses less digits than its factorization.

118817537428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672007 (or 672005 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 55.

The spelling of 118817537428 in words is "one hundred eighteen billion, eight hundred seventeen million, five hundred thirty-seven thousand, four hundred twenty-eight".