25315651353 has 16 divisors (see below), whose sum is σ = 33864048000. Its totient is φ = 16822256640.

The previous prime is 25315651321. The next prime is 25315651363. The reversal of 25315651353 is 35315651352.

It is not a de Polignac number, because 25315651353 - 2⁵ = 25315651321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25315651363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379643 + ... + 1397871.

It is an arithmetic number, because the mean of its divisors is an integer number (2116503000).

Almost surely, 2^25315651353 is an apocalyptic number.

It is an amenable number.

25315651353 is a deficient number, since it is larger than the sum of its proper divisors (8548396647).

25315651353 is a wasteful number, since it uses less digits than its factorization.

25315651353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19712.

The product of its digits is 202500, while the sum is 39.

Subtracting 25315651353 from its reverse (35315651352), we obtain a palindrome (9999999999).

The spelling of 25315651353 in words is "twenty-five billion, three hundred fifteen million, six hundred fifty-one thousand, three hundred fifty-three".