12492765715951 has 4 divisors (see below), whose sum is σ = 12499002745272. Its totient is φ = 12486528686632.

The previous prime is 12492765715949. The next prime is 12492765715957. The reversal of 12492765715951 is 15951756729421.

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 12492765715951 - 2¹ = 12492765715949 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 (12492765715957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118511656 + ... + 3118515661.

It is an arithmetic number, because the mean of its divisors is an integer number (3124750686318).

Almost surely, 2^{12492765715951} is an apocalyptic number.

12492765715951 is a deficient number, since it is larger than the sum of its proper divisors (6237029321).

12492765715951 is an equidigital number, since it uses as much as digits as its factorization.

12492765715951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237029320.

The product of its digits is 47628000, while the sum is 64.

The spelling of 12492765715951 in words is "twelve trillion, four hundred ninety-two billion, seven hundred sixty-five million, seven hundred fifteen thousand, nine hundred fifty-one".