5656611031513 has 16 divisors (see below), whose sum is σ = 6183017426880. Its totient is φ = 5143790235456.

The previous prime is 5656611031471. The next prime is 5656611031667. The reversal of 5656611031513 is 3151301166565.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5656611031513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5656611031513.

It is not an unprimeable number, because it can be changed into a prime (5656611031013) 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, 11110170 + ... + 11608147.

It is an arithmetic number, because the mean of its divisors is an integer number (386438589180).

Almost surely, 2^{5656611031513} is an apocalyptic number.

It is an amenable number.

5656611031513 is a deficient number, since it is larger than the sum of its proper divisors (526406395367).

5656611031513 is a wasteful number, since it uses less digits than its factorization.

5656611031513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22718616.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 5656611031513 in words is "five trillion, six hundred fifty-six billion, six hundred eleven million, thirty-one thousand, five hundred thirteen".