118557921250940 has 48 divisors (see below), whose sum is σ = 249164064092160. Its totient is φ = 47386527819840.

The previous prime is 118557921250939. The next prime is 118557921250961. The reversal of 118557921250940 is 49052129755811.

It is a self number, because there is not a number n which added to its sum of digits gives 118557921250940.

It is a congruent number.

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, 151889381 + ... + 152667939.

It is an arithmetic number, because the mean of its divisors is an integer number (5190918001920).

Almost surely, 2^{118557921250940} is an apocalyptic number.

118557921250940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118557921250940 is an abundant number, since it is smaller than the sum of its proper divisors (130606142841220).

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

118557921250940 is a wasteful number, since it uses less digits than its factorization.

118557921250940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784442 (or 784440 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 59.

The spelling of 118557921250940 in words is "one hundred eighteen trillion, five hundred fifty-seven billion, nine hundred twenty-one million, two hundred fifty thousand, nine hundred forty".