56206085961 has 16 divisors (see below), whose sum is σ = 75745347264. Its totient is φ = 37069733184.

The previous prime is 56206085939. The next prime is 56206085977. The reversal of 56206085961 is 16958060265.

It is not a de Polignac number, because 56206085961 - 2¹⁵ = 56206053193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56206085961.

It is not an unprimeable number, because it can be changed into a prime (56206085561) 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, 115855 + ... + 354731.

It is an arithmetic number, because the mean of its divisors is an integer number (4734084204).

Almost surely, 2^56206085961 is an apocalyptic number.

It is an amenable number.

56206085961 is a deficient number, since it is larger than the sum of its proper divisors (19539261303).

56206085961 is a wasteful number, since it uses less digits than its factorization.

56206085961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239720.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 56206085961 in words is "fifty-six billion, two hundred six million, eighty-five thousand, nine hundred sixty-one".