56110105610505 has 48 divisors (see below), whose sum is σ = 97307809769664. Its totient is φ = 29909918321280.

The previous prime is 56110105610491. The next prime is 56110105610551. The reversal of 56110105610505 is 50501650101165.

It is a happy number.

It is not a de Polignac number, because 56110105610505 - 2¹² = 56110105606409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56110105610505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874352070 + ... + 874416240.

It is an arithmetic number, because the mean of its divisors is an integer number (2027246036868).

Almost surely, 2^{56110105610505} is an apocalyptic number.

It is an amenable number.

56110105610505 is a deficient number, since it is larger than the sum of its proper divisors (41197704159159).

56110105610505 is a wasteful number, since it uses less digits than its factorization.

56110105610505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73926 (or 73923 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 56110105610505 in words is "fifty-six trillion, one hundred ten billion, one hundred five million, six hundred ten thousand, five hundred five".