12431052776805 has 32 divisors (see below), whose sum is σ = 21441811125504. Its totient is φ = 6113574061056.

The previous prime is 12431052776713. The next prime is 12431052776867. The reversal of 12431052776805 is 50867725013421.

12431052776805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12431052776805 - 2¹² = 12431052772709 is a prime.

It is a super-2 number, since 2×12431052776805² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32773684 + ... + 33150813.

It is an arithmetic number, because the mean of its divisors is an integer number (670056597672).

Almost surely, 2^{12431052776805} is an apocalyptic number.

12431052776805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12431052776805 is a deficient number, since it is larger than the sum of its proper divisors (9010758348699).

12431052776805 is a wasteful number, since it uses less digits than its factorization.

12431052776805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65925485.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 12431052776805 in words is "twelve trillion, four hundred thirty-one billion, fifty-two million, seven hundred seventy-six thousand, eight hundred five".