249511120116 has 24 divisors (see below), whose sum is σ = 596392434624. Its totient is φ = 81141827520.

The previous prime is 249511120063. The next prime is 249511120151. The reversal of 249511120116 is 611021115942.

It is a congruent 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, 253567720 + ... + 253568703.

It is an arithmetic number, because the mean of its divisors is an integer number (24849684776).

Almost surely, 2^249511120116 is an apocalyptic number.

It is an amenable number.

249511120116 is an abundant number, since it is smaller than the sum of its proper divisors (346881314508).

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

249511120116 is a wasteful number, since it uses less digits than its factorization.

249511120116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507136471 (or 507136469 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 249511120116 in words is "two hundred forty-nine billion, five hundred eleven million, one hundred twenty thousand, one hundred sixteen".