56131560206 has 8 divisors (see below), whose sum is σ = 84206068320. Its totient is φ = 28062870768.

The previous prime is 56131560197. The next prime is 56131560229. The reversal of 56131560206 is 60206513165.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1430471 + ... + 1469186.

It is an arithmetic number, because the mean of its divisors is an integer number (10525758540).

Almost surely, 2^56131560206 is an apocalyptic number.

56131560206 is a deficient number, since it is larger than the sum of its proper divisors (28074508114).

56131560206 is a wasteful number, since it uses less digits than its factorization.

56131560206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909338.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 56131560206 its sum of digits (35), we get a square (56131560241 = 236921²).

The spelling of 56131560206 in words is "fifty-six billion, one hundred thirty-one million, five hundred sixty thousand, two hundred six".