25670113525 has 12 divisors (see below), whose sum is σ = 36378218272. Its totient is φ = 17602363440.

The previous prime is 25670113523. The next prime is 25670113529. The reversal of 25670113525 is 52531107652.

It is not a de Polignac number, because 25670113525 - 2¹ = 25670113523 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 (25670113523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73343007 + ... + 73343356.

Almost surely, 2^25670113525 is an apocalyptic number.

25670113525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25670113525 is a deficient number, since it is larger than the sum of its proper divisors (10708104747).

25670113525 is a wasteful number, since it uses less digits than its factorization.

25670113525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146686380 (or 146686375 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 25670113525 in words is "twenty-five billion, six hundred seventy million, one hundred thirteen thousand, five hundred twenty-five".