12526262525 has 24 divisors (see below), whose sum is σ = 18685798080. Its totient is φ = 8137359360.

The previous prime is 12526262491. The next prime is 12526262537. The reversal of 12526262525 is 52526262521.

It is not a de Polignac number, because 12526262525 - 2¹² = 12526258429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1880324 + ... + 1886973.

It is an arithmetic number, because the mean of its divisors is an integer number (778574920).

Almost surely, 2^12526262525 is an apocalyptic number.

It is an amenable number.

12526262525 is a deficient number, since it is larger than the sum of its proper divisors (6159535555).

12526262525 is a wasteful number, since it uses less digits than its factorization.

12526262525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767333 (or 3767328 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The spelling of 12526262525 in words is "twelve billion, five hundred twenty-six million, two hundred sixty-two thousand, five hundred twenty-five".