25351053612 has 24 divisors (see below), whose sum is σ = 59168562096. Its totient is φ = 8448050688.

The previous prime is 25351053589. The next prime is 25351053617. The reversal of 25351053612 is 21635015352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25351053617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241353 + ... + 330080.

It is an arithmetic number, because the mean of its divisors is an integer number (2465356754).

Almost surely, 2^25351053612 is an apocalyptic number.

It is an amenable number.

25351053612 is an abundant number, since it is smaller than the sum of its proper divisors (33817508484).

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

25351053612 is a wasteful number, since it uses less digits than its factorization.

25351053612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575137 (or 575135 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 25351053612 its reverse (21635015352), we get a palindrome (46986068964).

The spelling of 25351053612 in words is "twenty-five billion, three hundred fifty-one million, fifty-three thousand, six hundred twelve".