15959502252 has 72 divisors (see below), whose sum is σ = 42625726416. Its totient is φ = 5219443008.

The previous prime is 15959502203. The next prime is 15959502253. The reversal of 15959502252 is 25220595951.

15959502252 is a `hidden beast` number, since 1 + 5 + 9 + 595 + 0 + 2 + 2 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15959502198 and 15959502207.

It is not an unprimeable number, because it can be changed into a prime (15959502253) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 103383 + ... + 206414.

It is an arithmetic number, because the mean of its divisors is an integer number (592023978).

Almost surely, 2^15959502252 is an apocalyptic number.

15959502252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15959502252 is an abundant number, since it is smaller than the sum of its proper divisors (26666224164).

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

15959502252 is a wasteful number, since it uses less digits than its factorization.

15959502252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309869 (or 309855 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 45.

The spelling of 15959502252 in words is "fifteen billion, nine hundred fifty-nine million, five hundred two thousand, two hundred fifty-two".