12553115555 has 16 divisors (see below), whose sum is σ = 15389910144. Its totient is φ = 9825202560.

The previous prime is 12553115539. The next prime is 12553115569. The reversal of 12553115555 is 55551135521.

It is not a de Polignac number, because 12553115555 - 2⁴ = 12553115539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756245 + ... + 772665.

It is an arithmetic number, because the mean of its divisors is an integer number (961869384).

Almost surely, 2^12553115555 is an apocalyptic number.

12553115555 is a deficient number, since it is larger than the sum of its proper divisors (2836794589).

12553115555 is a wasteful number, since it uses less digits than its factorization.

12553115555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19726.

The product of its digits is 93750, while the sum is 38.

The spelling of 12553115555 in words is "twelve billion, five hundred fifty-three million, one hundred fifteen thousand, five hundred fifty-five".