12553311571 has 32 divisors (see below), whose sum is σ = 13728153600. Its totient is φ = 11439429120.

The previous prime is 12553311557. The next prime is 12553311607. The reversal of 12553311571 is 17511335521.

It is a cyclic number.

It is not a de Polignac number, because 12553311571 - 2⁵ = 12553311539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12553311541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22061775 + ... + 22062343.

It is an arithmetic number, because the mean of its divisors is an integer number (429004800).

Almost surely, 2^12553311571 is an apocalyptic number.

12553311571 is a deficient number, since it is larger than the sum of its proper divisors (1174842029).

12553311571 is a wasteful number, since it uses less digits than its factorization.

12553311571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its digits is 15750, while the sum is 34.

The spelling of 12553311571 in words is "twelve billion, five hundred fifty-three million, three hundred eleven thousand, five hundred seventy-one".