51046515275 has 48 divisors (see below), whose sum is σ = 72820101120. Its totient is φ = 34771939200.

The previous prime is 51046515269. The next prime is 51046515283. The reversal of 51046515275 is 57251564015.

It is not a de Polignac number, because 51046515275 - 2¹⁰ = 51046514251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18446942 + ... + 18449708.

It is an arithmetic number, because the mean of its divisors is an integer number (1517085440).

Almost surely, 2^51046515275 is an apocalyptic number.

51046515275 is a deficient number, since it is larger than the sum of its proper divisors (21773585845).

51046515275 is a wasteful number, since it uses less digits than its factorization.

51046515275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 51046515275 in words is "fifty-one billion, forty-six million, five hundred fifteen thousand, two hundred seventy-five".