15340215252 has 12 divisors (see below), whose sum is σ = 35793835616. Its totient is φ = 5113405080.

The previous prime is 15340215229. The next prime is 15340215277. The reversal of 15340215252 is 25251204351.

15340215252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639175624 + ... + 639175647.

Almost surely, 2^15340215252 is an apocalyptic number.

15340215252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15340215252 is an abundant number, since it is smaller than the sum of its proper divisors (20453620364).

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

15340215252 is a wasteful number, since it uses less digits than its factorization.

15340215252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278351278 (or 1278351276 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 15340215252 in words is "fifteen billion, three hundred forty million, two hundred fifteen thousand, two hundred fifty-two".