56110505505 has 16 divisors (see below), whose sum is σ = 89780339520. Its totient is φ = 29924426048.

The previous prime is 56110505501. The next prime is 56110505509. The reversal of 56110505505 is 50550501165.

It is an interprime number because it is at equal distance from previous prime (56110505501) and next prime (56110505509).

It is a cyclic number.

It is not a de Polignac number, because 56110505505 - 2² = 56110505501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56110505501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433186 + ... + 547604.

It is an arithmetic number, because the mean of its divisors is an integer number (5611271220).

Almost surely, 2^56110505505 is an apocalyptic number.

It is an amenable number.

56110505505 is a deficient number, since it is larger than the sum of its proper divisors (33669834015).

56110505505 is a wasteful number, since it uses less digits than its factorization.

56110505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147120.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 56110505505 in words is "fifty-six billion, one hundred ten million, five hundred five thousand, five hundred five".