12455801334558 has 48 divisors (see below), whose sum is σ = 28022671797120. Its totient is φ = 4146658004376.

The previous prime is 12455801334553. The next prime is 12455801334577. The reversal of 12455801334558 is 85543310855421.

12455801334558 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 5 + 80 + 1 + 3 + 3 + 4 + 558 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455801334553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15900378 + ... + 16665341.

It is an arithmetic number, because the mean of its divisors is an integer number (583805662440).

Almost surely, 2^{12455801334558} is an apocalyptic number.

12455801334558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12455801334558 is an abundant number, since it is smaller than the sum of its proper divisors (15566870462562).

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

12455801334558 is an equidigital number, since it uses as much as digits as its factorization.

12455801334558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32566523 (or 32566511 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 12455801334558 in words is "twelve trillion, four hundred fifty-five billion, eight hundred one million, three hundred thirty-four thousand, five hundred fifty-eight".