12555031279 has 8 divisors (see below), whose sum is σ = 14811465728. Its totient is φ = 10414311480.

The previous prime is 12555031249. The next prime is 12555031331. The reversal of 12555031279 is 97213055521.

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 12555031279 - 2¹¹ = 12555029231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12555031249) 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, 28928427 + ... + 28928860.

It is an arithmetic number, because the mean of its divisors is an integer number (1851433216).

Almost surely, 2^12555031279 is an apocalyptic number.

12555031279 is a deficient number, since it is larger than the sum of its proper divisors (2256434449).

12555031279 is an equidigital number, since it uses as much as digits as its factorization.

12555031279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57857325.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 12555031279 in words is "twelve billion, five hundred fifty-five million, thirty-one thousand, two hundred seventy-nine".