15015412252 has 6 divisors (see below), whose sum is σ = 26276971448. Its totient is φ = 7507706124.

The previous prime is 15015412241. The next prime is 15015412259. The reversal of 15015412252 is 25221451051.

It is a self number, because there is not a number n which added to its sum of digits gives 15015412252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15015412259) 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 as a sum of consecutive naturals, namely, 1876926528 + ... + 1876926535.

Almost surely, 2^15015412252 is an apocalyptic number.

It is an amenable number.

15015412252 is a deficient number, since it is larger than the sum of its proper divisors (11261559196).

15015412252 is a wasteful number, since it uses less digits than its factorization.

15015412252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753853067 (or 3753853065 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 15015412252 in words is "fifteen billion, fifteen million, four hundred twelve thousand, two hundred fifty-two".