12455266113520 has 80 divisors (see below), whose sum is σ = 30693646070208. Its totient is φ = 4684191805440.

The previous prime is 12455266113431. The next prime is 12455266113547. The reversal of 12455266113520 is 2531166255421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420291 + ... + 6050530.

Almost surely, 2^{12455266113520} is an apocalyptic number.

12455266113520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12455266113520 is an abundant number, since it is smaller than the sum of its proper divisors (18238379956688).

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

12455266113520 is a wasteful number, since it uses less digits than its factorization.

12455266113520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471818 (or 9471812 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 12455266113520 in words is "twelve trillion, four hundred fifty-five billion, two hundred sixty-six million, one hundred thirteen thousand, five hundred twenty".