15492872252 has 24 divisors (see below), whose sum is σ = 31852479792. Its totient is φ = 6500505600.

The previous prime is 15492872237. The next prime is 15492872273. The reversal of 15492872252 is 25227829451.

It is a junction number, because it is equal to n+sod(n) for n = 15492872197 and 15492872206.

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, 13542149 + ... + 13543292.

It is an arithmetic number, because the mean of its divisors is an integer number (1327186658).

Almost surely, 2^15492872252 is an apocalyptic number.

It is an amenable number.

15492872252 is an abundant number, since it is smaller than the sum of its proper divisors (16359607540).

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

15492872252 is a wasteful number, since it uses less digits than its factorization.

15492872252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27085469 (or 27085467 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The spelling of 15492872252 in words is "fifteen billion, four hundred ninety-two million, eight hundred seventy-two thousand, two hundred fifty-two".