12255705614531 has 4 divisors (see below), whose sum is σ = 12273808577712. Its totient is φ = 12237602651352.

The previous prime is 12255705614413. The next prime is 12255705614539. The reversal of 12255705614531 is 13541650755221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12255705614531 - 2²² = 12255701420227 is a prime.

It is a super-2 number, since 2×12255705614531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12255705614539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9051480575 + ... + 9051481928.

It is an arithmetic number, because the mean of its divisors is an integer number (3068452144428).

Almost surely, 2^{12255705614531} is an apocalyptic number.

12255705614531 is a deficient number, since it is larger than the sum of its proper divisors (18102963181).

12255705614531 is an equidigital number, since it uses as much as digits as its factorization.

12255705614531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18102963180.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 12255705614531 in words is "twelve trillion, two hundred fifty-five billion, seven hundred five million, six hundred fourteen thousand, five hundred thirty-one".