15340415015012 has 24 divisors (see below), whose sum is σ = 28269098723040. Its totient is φ = 7263827936640.

The previous prime is 15340415014949. The next prime is 15340415015041. The reversal of 15340415015012 is 21051051404351.

It is a self number, because there is not a number n which added to its sum of digits gives 15340415015012.

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, 37076789 + ... + 37488252.

It is an arithmetic number, because the mean of its divisors is an integer number (1177879113460).

Almost surely, 2^{15340415015012} is an apocalyptic number.

It is an amenable number.

15340415015012 is a deficient number, since it is larger than the sum of its proper divisors (12928683708028).

15340415015012 is a wasteful number, since it uses less digits than its factorization.

15340415015012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74567771 (or 74567769 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 15340415015012 its reverse (21051051404351), we get a palindrome (36391466419363).

The spelling of 15340415015012 in words is "fifteen trillion, three hundred forty billion, four hundred fifteen million, fifteen thousand, twelve".