25140430032132 has 12 divisors (see below), whose sum is σ = 58661003408336. Its totient is φ = 8380143344040.

The previous prime is 25140430032049. The next prime is 25140430032139. The reversal of 25140430032132 is 23123003404152.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 25140430032132.

It is not an unprimeable number, because it can be changed into a prime (25140430032139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047517917994 + ... + 1047517918017.

Almost surely, 2^{25140430032132} is an apocalyptic number.

It is an amenable number.

25140430032132 is an abundant number, since it is smaller than the sum of its proper divisors (33520573376204).

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

25140430032132 is a wasteful number, since it uses less digits than its factorization.

25140430032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095035836018 (or 2095035836016 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 25140430032132 its reverse (23123003404152), we get a palindrome (48263433436284).

The spelling of 25140430032132 in words is "twenty-five trillion, one hundred forty billion, four hundred thirty million, thirty-two thousand, one hundred thirty-two".