12615154405752 has 16 divisors (see below), whose sum is σ = 31537886014440. Its totient is φ = 4205051468576.

The previous prime is 12615154405739. The next prime is 12615154405781. The reversal of 12615154405752 is 25750445151621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262815716763 + ... + 262815716810.

Almost surely, 2^{12615154405752} is an apocalyptic number.

12615154405752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12615154405752 is an abundant number, since it is smaller than the sum of its proper divisors (18922731608688).

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

12615154405752 is a wasteful number, since it uses less digits than its factorization.

12615154405752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525631433582 (or 525631433578 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 48.

The spelling of 12615154405752 in words is "twelve trillion, six hundred fifteen billion, one hundred fifty-four million, four hundred five thousand, seven hundred fifty-two".