56011060505855 has 64 divisors (see below), whose sum is σ = 83344744761600. Its totient is φ = 35187982073856.

The previous prime is 56011060505837. The next prime is 56011060505861. The reversal of 56011060505855 is 55850506011065.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56011060505855 - 2¹⁴ = 56011060489471 is a prime.

It is a super-3 number, since 3×56011060505855³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37287371 + ... + 38760419.

It is an arithmetic number, because the mean of its divisors is an integer number (1302261636900).

Almost surely, 2^{56011060505855} is an apocalyptic number.

56011060505855 is a deficient number, since it is larger than the sum of its proper divisors (27333684255745).

56011060505855 is a wasteful number, since it uses less digits than its factorization.

56011060505855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473700.

The product of its (nonzero) digits is 900000, while the sum is 47.

The spelling of 56011060505855 in words is "fifty-six trillion, eleven billion, sixty million, five hundred five thousand, eight hundred fifty-five".