151515015020 has 12 divisors (see below), whose sum is σ = 318181531584. Its totient is φ = 60606006000.

The previous prime is 151515014983. The next prime is 151515015037. The reversal of 151515015020 is 20510515151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3787875356 + ... + 3787875395.

It is an arithmetic number, because the mean of its divisors is an integer number (26515127632).

Almost surely, 2^151515015020 is an apocalyptic number.

151515015020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151515015020 is an abundant number, since it is smaller than the sum of its proper divisors (166666516564).

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

151515015020 is a wasteful number, since it uses less digits than its factorization.

151515015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575750760 (or 7575750758 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 26.

The spelling of 151515015020 in words is "one hundred fifty-one billion, five hundred fifteen million, fifteen thousand, twenty".