25113512532 has 24 divisors (see below), whose sum is σ = 58600797472. Its totient is φ = 8370799200.

The previous prime is 25113512507. The next prime is 25113512533. The reversal of 25113512532 is 23521531152.

It is a self number, because there is not a number n which added to its sum of digits gives 25113512532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113512533) 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 in 7 ways as a sum of consecutive naturals, for example, 433182 + ... + 487722.

Almost surely, 2^25113512532 is an apocalyptic number.

It is an amenable number.

25113512532 is an abundant number, since it is smaller than the sum of its proper divisors (33487284940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25113512532 is a wasteful number, since it uses less digits than its factorization.

25113512532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92919 (or 92917 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The spelling of 25113512532 in words is "twenty-five billion, one hundred thirteen million, five hundred twelve thousand, five hundred thirty-two".