1516539502920 has 64 divisors (see below), whose sum is σ = 4899589168320. Its totient is φ = 373302031104.

The previous prime is 1516539502913. The next prime is 1516539502997. The reversal of 1516539502920 is 292059356151.

It is a self number, because there is not a number n which added to its sum of digits gives 1516539502920.

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, 486068794 + ... + 486071913.

It is an arithmetic number, because the mean of its divisors is an integer number (76556080755).

Almost surely, 2^{1516539502920} is an apocalyptic number.

1516539502920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516539502920 is an abundant number, since it is smaller than the sum of its proper divisors (3383049665400).

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

1516539502920 is a wasteful number, since it uses less digits than its factorization.

1516539502920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972140734 (or 972140730 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 1516539502920 in words is "one trillion, five hundred sixteen billion, five hundred thirty-nine million, five hundred two thousand, nine hundred twenty".