12425551764511 has 4 divisors (see below), whose sum is σ = 12425589516952. Its totient is φ = 12425514012072.

The previous prime is 12425551764481. The next prime is 12425551764523. The reversal of 12425551764511 is 11546715552421.

12425551764511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12425551764511 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 (12425551767511) 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, 18378141 + ... + 19042246.

It is an arithmetic number, because the mean of its divisors is an integer number (3106397379238).

Almost surely, 2^{12425551764511} is an apocalyptic number.

12425551764511 is a deficient number, since it is larger than the sum of its proper divisors (37752441).

12425551764511 is an equidigital number, since it uses as much as digits as its factorization.

12425551764511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37752440.

The product of its digits is 1680000, while the sum is 49.

The spelling of 12425551764511 in words is "twelve trillion, four hundred twenty-five billion, five hundred fifty-one million, seven hundred sixty-four thousand, five hundred eleven".