15256055252 has 24 divisors (see below), whose sum is σ = 26971541352. Its totient is φ = 7549952000.

The previous prime is 15256055249. The next prime is 15256055291. The reversal of 15256055252 is 25255065251.

It can be written as a sum of positive squares in 4 ways, for example, as 9286020496 + 5970034756 = 96364^2 + 77266^2 .

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, 1883852 + ... + 1891932.

It is an arithmetic number, because the mean of its divisors is an integer number (1123814223).

Almost surely, 2^15256055252 is an apocalyptic number.

It is an amenable number.

15256055252 is a deficient number, since it is larger than the sum of its proper divisors (11715486100).

15256055252 is a wasteful number, since it uses less digits than its factorization.

15256055252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859 (or 12857 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

Subtracting 15256055252 from its reverse (25255065251), we obtain a palindrome (9999009999).

The spelling of 15256055252 in words is "fifteen billion, two hundred fifty-six million, fifty-five thousand, two hundred fifty-two".