12615750455 has 24 divisors (see below), whose sum is σ = 19211521680. Its totient is φ = 7864362240.

The previous prime is 12615750443. The next prime is 12615750457. The reversal of 12615750455 is 55405751621.

It is not a de Polignac number, because 12615750455 - 2⁶ = 12615750391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12615750457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2337890 + ... + 2343279.

It is an arithmetic number, because the mean of its divisors is an integer number (800480070).

Almost surely, 2^12615750455 is an apocalyptic number.

12615750455 is a deficient number, since it is larger than the sum of its proper divisors (6595771225).

12615750455 is a wasteful number, since it uses less digits than its factorization.

12615750455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681199 (or 4681192 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 12615750455 in words is "twelve billion, six hundred fifteen million, seven hundred fifty thousand, four hundred fifty-five".