251113241104 has 40 divisors (see below), whose sum is σ = 531060420672. Its totient is φ = 114078222720.

The previous prime is 251113241051. The next prime is 251113241117. The reversal of 251113241104 is 401142311152.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86299 + ... + 713914.

Almost surely, 2^251113241104 is an apocalyptic number.

It is an amenable number.

251113241104 is an abundant number, since it is smaller than the sum of its proper divisors (279947179568).

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

251113241104 is a wasteful number, since it uses less digits than its factorization.

251113241104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802015 (or 802009 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 251113241104 its reverse (401142311152), we get a palindrome (652255552256).

The spelling of 251113241104 in words is "two hundred fifty-one billion, one hundred thirteen million, two hundred forty-one thousand, one hundred four".