25130020510 has 16 divisors (see below), whose sum is σ = 51696042336. Its totient is φ = 8616007008.

The previous prime is 25130020507. The next prime is 25130020529. The reversal of 25130020510 is 1502003152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179500077 + ... + 179500216.

It is an arithmetic number, because the mean of its divisors is an integer number (3231002646).

Almost surely, 2^25130020510 is an apocalyptic number.

25130020510 is an abundant number, since it is smaller than the sum of its proper divisors (26566021826).

25130020510 is a wasteful number, since it uses less digits than its factorization.

25130020510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359000307.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 25130020510 its reverse (1502003152), we get a palindrome (26632023662).

The spelling of 25130020510 in words is "twenty-five billion, one hundred thirty million, twenty thousand, five hundred ten".