5121516536244 has 72 divisors (see below), whose sum is σ = 13136119286472. Its totient is φ = 1682283509760.

The previous prime is 5121516536243. The next prime is 5121516536249. The reversal of 5121516536244 is 4426356151215.

5121516536244 is a `hidden beast` number, since 5 + 1 + 2 + 1 + 5 + 16 + 5 + 3 + 624 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24668471844 + 5096848064400 = 157062^2 + 2257620^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5121516536244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121516536243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2934897 + ... + 4342424.

It is an arithmetic number, because the mean of its divisors is an integer number (182446101201).

Almost surely, 2^{5121516536244} is an apocalyptic number.

It is an amenable number.

5121516536244 is an abundant number, since it is smaller than the sum of its proper divisors (8014602750228).

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

5121516536244 is a wasteful number, since it uses less digits than its factorization.

5121516536244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277617 (or 7277612 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 5121516536244 in words is "five trillion, one hundred twenty-one billion, five hundred sixteen million, five hundred thirty-six thousand, two hundred forty-four".