12555630793631 has 8 divisors (see below), whose sum is σ = 13217361294720. Its totient is φ = 11893991075352.

The previous prime is 12555630793591. The next prime is 12555630793639. The reversal of 12555630793631 is 13639703655521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12555630793631 - 2⁶ = 12555630793567 is a prime.

It is a super-2 number, since 2×12555630793631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12555630793639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22411715 + ... + 22965108.

It is an arithmetic number, because the mean of its divisors is an integer number (1652170161840).

Almost surely, 2^{12555630793631} is an apocalyptic number.

12555630793631 is a deficient number, since it is larger than the sum of its proper divisors (661730501089).

12555630793631 is a wasteful number, since it uses less digits than its factorization.

12555630793631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45391405.

The product of its (nonzero) digits is 15309000, while the sum is 56.

The spelling of 12555630793631 in words is "twelve trillion, five hundred fifty-five billion, six hundred thirty million, seven hundred ninety-three thousand, six hundred thirty-one".