12555005113536 has 56 divisors (see below), whose sum is σ = 34116247022640. Its totient is φ = 4071893548032.

The previous prime is 12555005113529. The next prime is 12555005113583. The reversal of 12555005113536 is 63531150055521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883650351 + ... + 883664558.

Almost surely, 2^{12555005113536} is an apocalyptic number.

12555005113536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12555005113536 is an abundant number, since it is smaller than the sum of its proper divisors (21561241909104).

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

12555005113536 is a wasteful number, since it uses less digits than its factorization.

12555005113536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767314961 (or 1767314951 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 42.

The spelling of 12555005113536 in words is "twelve trillion, five hundred fifty-five billion, five million, one hundred thirteen thousand, five hundred thirty-six".