51157326250 has 80 divisors (see below), whose sum is σ = 98204464512. Its totient is φ = 19971360000.

The previous prime is 51157326247. The next prime is 51157326277. The reversal of 51157326250 is 5262375115.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25437745 + ... + 25439755.

Almost surely, 2^51157326250 is an apocalyptic number.

51157326250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51157326250 is a deficient number, since it is larger than the sum of its proper divisors (47047138262).

51157326250 is a wasteful number, since it uses less digits than its factorization.

51157326250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 51157326250 in words is "fifty-one billion, one hundred fifty-seven million, three hundred twenty-six thousand, two hundred fifty".