2516121631580 has 48 divisors (see below), whose sum is σ = 5428063925760. Its totient is φ = 978994418688.

The previous prime is 2516121631579. The next prime is 2516121631609. The reversal of 2516121631580 is 851361216152.

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, 2440709 + ... + 3315011.

It is an arithmetic number, because the mean of its divisors is an integer number (113084665120).

Almost surely, 2^{2516121631580} is an apocalyptic number.

2516121631580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2516121631580 is an abundant number, since it is smaller than the sum of its proper divisors (2911942294180).

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

2516121631580 is a wasteful number, since it uses less digits than its factorization.

2516121631580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878238 (or 878236 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 2516121631580 in words is "two trillion, five hundred sixteen billion, one hundred twenty-one million, six hundred thirty-one thousand, five hundred eighty".