5157532857842 has 16 divisors (see below), whose sum is σ = 7883381816640. Its totient is φ = 2529752679792.

The previous prime is 5157532857803. The next prime is 5157532857857. The reversal of 5157532857842 is 2487582357515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686268 + ... + 4187015.

It is an arithmetic number, because the mean of its divisors is an integer number (492711363540).

Almost surely, 2^{5157532857842} is an apocalyptic number.

5157532857842 is a deficient number, since it is larger than the sum of its proper divisors (2725848958798).

5157532857842 is a wasteful number, since it uses less digits than its factorization.

5157532857842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880417.

The product of its digits is 94080000, while the sum is 62.

The spelling of 5157532857842 in words is "five trillion, one hundred fifty-seven billion, five hundred thirty-two million, eight hundred fifty-seven thousand, eight hundred forty-two".