12045515255 has 32 divisors (see below), whose sum is σ = 15340026240. Its totient is φ = 9064007680.

The previous prime is 12045515233. The next prime is 12045515267. The reversal of 12045515255 is 55251554021.

It is not a de Polignac number, because 12045515255 - 2²⁸ = 11777079799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6520742 + ... + 6522588.

It is an arithmetic number, because the mean of its divisors is an integer number (479375820).

Almost surely, 2^12045515255 is an apocalyptic number.

12045515255 is a deficient number, since it is larger than the sum of its proper divisors (3294510985).

12045515255 is a wasteful number, since it uses less digits than its factorization.

12045515255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019.

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 12045515255 in words is "twelve billion, forty-five million, five hundred fifteen thousand, two hundred fifty-five".