25115304312 has 64 divisors (see below), whose sum is σ = 79731129600. Its totient is φ = 7175800800.

The previous prime is 25115304307. The next prime is 25115304323. The reversal of 25115304312 is 21340351152.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 8303814 + ... + 8306837.

It is an arithmetic number, because the mean of its divisors is an integer number (1245798900).

Almost surely, 2^25115304312 is an apocalyptic number.

It is an amenable number.

25115304312 is an abundant number, since it is smaller than the sum of its proper divisors (54615825288).

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

25115304312 is a wasteful number, since it uses less digits than its factorization.

25115304312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16610673 (or 16610663 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 25115304312 its reverse (21340351152), we get a palindrome (46455655464).

The spelling of 25115304312 in words is "twenty-five billion, one hundred fifteen million, three hundred four thousand, three hundred twelve".