250513128616 has 32 divisors (see below), whose sum is σ = 480961166400. Its totient is φ = 122260763520.

The previous prime is 250513128601. The next prime is 250513128617. The reversal of 250513128616 is 616821315052.

It is not an unprimeable number, because it can be changed into a prime (250513128617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263605 + ... + 755323.

It is an arithmetic number, because the mean of its divisors is an integer number (15030036450).

Almost surely, 2^250513128616 is an apocalyptic number.

It is an amenable number.

250513128616 is a deficient number, since it is larger than the sum of its proper divisors (230448037784).

250513128616 is a wasteful number, since it uses less digits than its factorization.

250513128616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493249 (or 493245 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 250513128616 in words is "two hundred fifty billion, five hundred thirteen million, one hundred twenty-eight thousand, six hundred sixteen".