12525635775 has 24 divisors (see below), whose sum is σ = 21423160080. Its totient is φ = 6449981440.

The previous prime is 12525635761. The next prime is 12525635779. The reversal of 12525635775 is 57753652521.

It is not a de Polignac number, because 12525635775 - 2⁵ = 12525635743 is a prime.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2877282 + ... + 2881631.

It is an arithmetic number, because the mean of its divisors is an integer number (892631670).

Almost surely, 2^12525635775 is an apocalyptic number.

12525635775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12525635775 is a deficient number, since it is larger than the sum of its proper divisors (8897524305).

12525635775 is a wasteful number, since it uses less digits than its factorization.

12525635775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758955 (or 5758950 counting only the distinct ones).

The product of its digits is 2205000, while the sum is 48.

The spelling of 12525635775 in words is "twelve billion, five hundred twenty-five million, six hundred thirty-five thousand, seven hundred seventy-five".