25113512132 has 24 divisors (see below), whose sum is σ = 44978277120. Its totient is φ = 12265287840.

The previous prime is 25113512131. The next prime is 25113512141. The reversal of 25113512132 is 23121531152.

It is a super-2 number, since 2×25113512132² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25113512131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301844 + ... + 375947.

It is an arithmetic number, because the mean of its divisors is an integer number (1874094880).

Almost surely, 2^25113512132 is an apocalyptic number.

It is an amenable number.

25113512132 is a deficient number, since it is larger than the sum of its proper divisors (19864764988).

25113512132 is a wasteful number, since it uses less digits than its factorization.

25113512132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678011 (or 678009 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The spelling of 25113512132 in words is "twenty-five billion, one hundred thirteen million, five hundred twelve thousand, one hundred thirty-two".