56560105551 has 8 divisors (see below), whose sum is σ = 75830123824. Its totient is φ = 37498412160.

The previous prime is 56560105541. The next prime is 56560105577. The reversal of 56560105551 is 15550106565.

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

It is not a de Polignac number, because 56560105551 - 2¹⁰ = 56560104527 is a prime.

It is a super-2 number, since 2×56560105551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56560105531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52080586 + ... + 52081671.

It is an arithmetic number, because the mean of its divisors is an integer number (9478765478).

Almost surely, 2^56560105551 is an apocalyptic number.

56560105551 is a deficient number, since it is larger than the sum of its proper divisors (19270018273).

56560105551 is a wasteful number, since it uses less digits than its factorization.

56560105551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104162441.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 56560105551 in words is "fifty-six billion, five hundred sixty million, one hundred five thousand, five hundred fifty-one".