157559478120 has 96 divisors (see below), whose sum is σ = 558619981920. Its totient is φ = 38196236160.

The previous prime is 157559478119. The next prime is 157559478121. The reversal of 157559478120 is 21874955751.

157559478120 is a `hidden beast` number, since 1 + 5 + 7 + 559 + 4 + 7 + 81 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (157559478119) and next prime (157559478121).

It is not an unprimeable number, because it can be changed into a prime (157559478121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19889914 + ... + 19897833.

It is an arithmetic number, because the mean of its divisors is an integer number (5818958145).

Almost surely, 2^157559478120 is an apocalyptic number.

157559478120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157559478120 is an abundant number, since it is smaller than the sum of its proper divisors (401060503800).

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

157559478120 is a wasteful number, since it uses less digits than its factorization.

157559478120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39787775 (or 39787768 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 54.

The spelling of 157559478120 in words is "one hundred fifty-seven billion, five hundred fifty-nine million, four hundred seventy-eight thousand, one hundred twenty".