12525635774 has 4 divisors (see below), whose sum is σ = 18788453664. Its totient is φ = 6262817886.

The previous prime is 12525635761. The next prime is 12525635779. The reversal of 12525635774 is 47753652521.

12525635774 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525635779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3131408942 + ... + 3131408945.

It is an arithmetic number, because the mean of its divisors is an integer number (4697113416).

Almost surely, 2^12525635774 is an apocalyptic number.

12525635774 is a deficient number, since it is larger than the sum of its proper divisors (6262817890).

12525635774 is an equidigital number, since it uses as much as digits as its factorization.

12525635774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262817889.

The product of its digits is 1764000, while the sum is 47.

The spelling of 12525635774 in words is "twelve billion, five hundred twenty-five million, six hundred thirty-five thousand, seven hundred seventy-four".