52130783865 has 16 divisors (see below), whose sum is σ = 84045969216. Its totient is φ = 27590846400.

The previous prime is 52130783863. The next prime is 52130783879. The reversal of 52130783865 is 56838703125.

It is not a de Polignac number, because 52130783865 - 2¹ = 52130783863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52130783863) by changing a digit.

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, 13262866 + ... + 13266795.

It is an arithmetic number, because the mean of its divisors is an integer number (5252873076).

Almost surely, 2^52130783865 is an apocalyptic number.

It is an amenable number.

52130783865 is a deficient number, since it is larger than the sum of its proper divisors (31915185351).

52130783865 is a wasteful number, since it uses less digits than its factorization.

52130783865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26529800.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 52130783865 in words is "fifty-two billion, one hundred thirty million, seven hundred eighty-three thousand, eight hundred sixty-five".