15326140512 has 48 divisors (see below), whose sum is σ = 41087112192. Its totient is φ = 5000016000.

The previous prime is 15326140483. The next prime is 15326140631. The reversal of 15326140512 is 21504162351.

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 15326140512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693864 + ... + 1702887.

It is an arithmetic number, because the mean of its divisors is an integer number (855981504).

Almost surely, 2^15326140512 is an apocalyptic number.

15326140512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15326140512 is an abundant number, since it is smaller than the sum of its proper divisors (25760971680).

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

15326140512 is a wasteful number, since it uses less digits than its factorization.

15326140512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396811 (or 3396803 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 15326140512 in words is "fifteen billion, three hundred twenty-six million, one hundred forty thousand, five hundred twelve".