51047396275 has 12 divisors (see below), whose sum is σ = 63723600000. Its totient is φ = 40563834080.

The previous prime is 51047396243. The next prime is 51047396297. The reversal of 51047396275 is 57269374015.

It is not a de Polignac number, because 51047396275 - 2⁵ = 51047396243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6848275 + ... + 6855724.

It is an arithmetic number, because the mean of its divisors is an integer number (5310300000).

Almost surely, 2^51047396275 is an apocalyptic number.

51047396275 is a deficient number, since it is larger than the sum of its proper divisors (12676203725).

51047396275 is a wasteful number, since it uses less digits than its factorization.

51047396275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704158 (or 13704153 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 51047396275 in words is "fifty-one billion, forty-seven million, three hundred ninety-six thousand, two hundred seventy-five".