5157532857844 has 12 divisors (see below), whose sum is σ = 9037358680644. Its totient is φ = 2575430377664.

The previous prime is 5157532857803. The next prime is 5157532857857. The reversal of 5157532857844 is 4487582357515.

It can be written as a sum of positive squares in 2 ways, for example, as 2229532758244 + 2928000099600 = 1493162^2 + 1711140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834009337 + ... + 834015520.

It is an arithmetic number, because the mean of its divisors is an integer number (753113223387).

Almost surely, 2^{5157532857844} is an apocalyptic number.

It is an amenable number.

5157532857844 is a deficient number, since it is larger than the sum of its proper divisors (3879825822800).

5157532857844 is a wasteful number, since it uses less digits than its factorization.

5157532857844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668025634 (or 1668025632 counting only the distinct ones).

The product of its digits is 188160000, while the sum is 64.

The spelling of 5157532857844 in words is "five trillion, one hundred fifty-seven billion, five hundred thirty-two million, eight hundred fifty-seven thousand, eight hundred forty-four".