51570512245 has 16 divisors (see below), whose sum is σ = 70800478848. Its totient is φ = 35325034560.

The previous prime is 51570512233. The next prime is 51570512251. The reversal of 51570512245 is 54221507515.

It is not a de Polignac number, because 51570512245 - 2¹¹ = 51570510197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749979 + ... + 815848.

It is an arithmetic number, because the mean of its divisors is an integer number (4425029928).

Almost surely, 2^51570512245 is an apocalyptic number.

It is an amenable number.

51570512245 is a deficient number, since it is larger than the sum of its proper divisors (19229966603).

51570512245 is a wasteful number, since it uses less digits than its factorization.

51570512245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566780.

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 51570512245 in words is "fifty-one billion, five hundred seventy million, five hundred twelve thousand, two hundred forty-five".