25130132502 has 16 divisors (see below), whose sum is σ = 50264794560. Its totient is φ = 8375955912.

The previous prime is 25130132483. The next prime is 25130132551. The reversal of 25130132502 is 20523103152.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114352 + ... + 251667.

It is an arithmetic number, because the mean of its divisors is an integer number (3141549660).

Almost surely, 2^25130132502 is an apocalyptic number.

25130132502 is an abundant number, since it is smaller than the sum of its proper divisors (25134662058).

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

25130132502 is a wasteful number, since it uses less digits than its factorization.

25130132502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377467.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 25130132502 its reverse (20523103152), we get a palindrome (45653235654).

The spelling of 25130132502 in words is "twenty-five billion, one hundred thirty million, one hundred thirty-two thousand, five hundred two".