15157859452 has 24 divisors (see below), whose sum is σ = 26918528000. Its totient is φ = 7467592176.

The previous prime is 15157859443. The next prime is 15157859467. The reversal of 15157859452 is 25495875151.

It is a self number, because there is not a number n which added to its sum of digits gives 15157859452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10452 + ... + 174427.

Almost surely, 2^15157859452 is an apocalyptic number.

It is an amenable number.

15157859452 is a deficient number, since it is larger than the sum of its proper divisors (11760668548).

15157859452 is a wasteful number, since it uses less digits than its factorization.

15157859452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185185 (or 185183 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 52.

The spelling of 15157859452 in words is "fifteen billion, one hundred fifty-seven million, eight hundred fifty-nine thousand, four hundred fifty-two".