12631325763766 has 4 divisors (see below), whose sum is σ = 18946988645652. Its totient is φ = 6315662881882.

The previous prime is 12631325763757. The next prime is 12631325763779. The reversal of 12631325763766 is 66736752313621.

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

It is a super-3 number, since 3×12631325763766³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12631325763766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157831440940 + ... + 3157831440943.

It is an arithmetic number, because the mean of its divisors is an integer number (4736747161413).

Almost surely, 2^{12631325763766} is an apocalyptic number.

12631325763766 is a deficient number, since it is larger than the sum of its proper divisors (6315662881886).

12631325763766 is an equidigital number, since it uses as much as digits as its factorization.

12631325763766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315662881885.

The product of its digits is 34292160, while the sum is 58.

The spelling of 12631325763766 in words is "twelve trillion, six hundred thirty-one billion, three hundred twenty-five million, seven hundred sixty-three thousand, seven hundred sixty-six".