25351133104 has 20 divisors (see below), whose sum is σ = 53583077160. Its totient is φ = 11523242240.

The previous prime is 25351133089. The next prime is 25351133113. The reversal of 25351133104 is 40133115352.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72020089 + ... + 72020440.

It is an arithmetic number, because the mean of its divisors is an integer number (2679153858).

Almost surely, 2^25351133104 is an apocalyptic number.

It is an amenable number.

25351133104 is an abundant number, since it is smaller than the sum of its proper divisors (28231944056).

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

25351133104 is a wasteful number, since it uses less digits than its factorization.

25351133104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144040548 (or 144040542 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 25351133104 its reverse (40133115352), we get a palindrome (65484248456).

The spelling of 25351133104 in words is "twenty-five billion, three hundred fifty-one million, one hundred thirty-three thousand, one hundred four".