51356725275 has 12 divisors (see below), whose sum is σ = 84909785912. Its totient is φ = 27390253440.

The previous prime is 51356725271. The next prime is 51356725283. The reversal of 51356725275 is 57252765315.

It is not a de Polignac number, because 51356725275 - 2² = 51356725271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51356725271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342378094 + ... + 342378243.

Almost surely, 2^51356725275 is an apocalyptic number.

51356725275 is a deficient number, since it is larger than the sum of its proper divisors (33553060637).

51356725275 is a wasteful number, since it uses less digits than its factorization.

51356725275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684756350 (or 684756345 counting only the distinct ones).

The product of its digits is 2205000, while the sum is 48.

The spelling of 51356725275 in words is "fifty-one billion, three hundred fifty-six million, seven hundred twenty-five thousand, two hundred seventy-five".