15135052512 has 48 divisors (see below), whose sum is σ = 40032824832. Its totient is φ = 5006501760.

The previous prime is 15135052511. The next prime is 15135052571. The reversal of 15135052512 is 21525053151.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 15135052512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135052511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589168 + ... + 614319.

It is an arithmetic number, because the mean of its divisors is an integer number (834017184).

Almost surely, 2^15135052512 is an apocalyptic number.

15135052512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15135052512 is an abundant number, since it is smaller than the sum of its proper divisors (24897772320).

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

15135052512 is a wasteful number, since it uses less digits than its factorization.

15135052512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203631 (or 1203623 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 15135052512 in words is "fifteen billion, one hundred thirty-five million, fifty-two thousand, five hundred twelve".