51071883265 has 32 divisors (see below), whose sum is σ = 67587609600. Its totient is φ = 36818496000.

The previous prime is 51071883263. The next prime is 51071883299. The reversal of 51071883265 is 56238817015.

It is not a de Polignac number, because 51071883265 - 2¹ = 51071883263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51071883263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401140 + ... + 512890.

It is an arithmetic number, because the mean of its divisors is an integer number (2112112800).

Almost surely, 2^51071883265 is an apocalyptic number.

It is an amenable number.

51071883265 is a deficient number, since it is larger than the sum of its proper divisors (16515726335).

51071883265 is a wasteful number, since it uses less digits than its factorization.

51071883265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111937.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 51071883265 in words is "fifty-one billion, seventy-one million, eight hundred eighty-three thousand, two hundred sixty-five".