56011060505555 has 16 divisors (see below), whose sum is σ = 69769048550400. Its totient is φ = 43121148019680.

The previous prime is 56011060505473. The next prime is 56011060505567. The reversal of 56011060505555 is 55550506011065.

It is not a de Polignac number, because 56011060505555 - 2⁸ = 56011060505299 is a prime.

It is a super-3 number, since 3×56011060505555³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009362425 + ... + 1009417914.

It is an arithmetic number, because the mean of its divisors is an integer number (4360565534400).

Almost surely, 2^{56011060505555} is an apocalyptic number.

56011060505555 is a deficient number, since it is larger than the sum of its proper divisors (13757988044845).

56011060505555 is a wasteful number, since it uses less digits than its factorization.

56011060505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018780554.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 56011060505555 in words is "fifty-six trillion, eleven billion, sixty million, five hundred five thousand, five hundred fifty-five".