5131665620514 has 48 divisors (see below), whose sum is σ = 11153418456960. Its totient is φ = 1705208076000.

The previous prime is 5131665620513. The next prime is 5131665620519. The reversal of 5131665620514 is 4150265661315.

5131665620514 is a `hidden beast` number, since 5 + 1 + 3 + 1 + 6 + 6 + 5 + 620 + 5 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5131665620514.

It is not an unprimeable number, because it can be changed into a prime (5131665620513) 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, 7188757 + ... + 7870295.

It is an arithmetic number, because the mean of its divisors is an integer number (232362884520).

Almost surely, 2^{5131665620514} is an apocalyptic number.

5131665620514 is an abundant number, since it is smaller than the sum of its proper divisors (6021752836446).

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

5131665620514 is a wasteful number, since it uses less digits than its factorization.

5131665620514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682855 (or 682852 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 5131665620514 in words is "five trillion, one hundred thirty-one billion, six hundred sixty-five million, six hundred twenty thousand, five hundred fourteen".