12555385080 has 64 divisors (see below), whose sum is σ = 43047037440. Its totient is φ = 2869802112.

The previous prime is 12555385009. The next prime is 12555385097. The reversal of 12555385080 is 8058355521.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 7472604 + ... + 7474283.

It is an arithmetic number, because the mean of its divisors is an integer number (672609960).

Almost surely, 2^12555385080 is an apocalyptic number.

12555385080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12555385080 is an abundant number, since it is smaller than the sum of its proper divisors (30491652360).

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

12555385080 is a wasteful number, since it uses less digits than its factorization.

12555385080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946908 (or 14946904 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 12555385080 in words is "twelve billion, five hundred fifty-five million, three hundred eighty-five thousand, eighty".