52056121400565 has 16 divisors (see below), whose sum is σ = 86161856112000. Its totient is φ = 26805910789952.

The previous prime is 52056121400537. The next prime is 52056121400603. The reversal of 52056121400565 is 56500412165025.

It is a cyclic number.

It is not a de Polignac number, because 52056121400565 - 2¹¹ = 52056121398517 is a prime.

It is a super-2 number, since 2×52056121400565² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59834621865 + ... + 59834622734.

It is an arithmetic number, because the mean of its divisors is an integer number (5385116007000).

Almost surely, 2^{52056121400565} is an apocalyptic number.

It is an amenable number.

52056121400565 is a deficient number, since it is larger than the sum of its proper divisors (34105734711435).

52056121400565 is a wasteful number, since it uses less digits than its factorization.

52056121400565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119669244636.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 52056121400565 in words is "fifty-two trillion, fifty-six billion, one hundred twenty-one million, four hundred thousand, five hundred sixty-five".