56011050511 has 16 divisors (see below), whose sum is σ = 62309479680. Its totient is φ = 49999253760.

The previous prime is 56011050499. The next prime is 56011050533. The reversal of 56011050511 is 11505011065.

It is a cyclic number.

It is not a de Polignac number, because 56011050511 - 2⁵ = 56011050479 is a prime.

It is a super-2 number, since 2×56011050511² (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 (56011030511) 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, 529005 + ... + 625993.

It is an arithmetic number, because the mean of its divisors is an integer number (3894342480).

Almost surely, 2^56011050511 is an apocalyptic number.

56011050511 is a deficient number, since it is larger than the sum of its proper divisors (6298429169).

56011050511 is a wasteful number, since it uses less digits than its factorization.

56011050511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98466.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 56011050511 its reverse (11505011065), we get a palindrome (67516061576).

The spelling of 56011050511 in words is "fifty-six billion, eleven million, fifty thousand, five hundred eleven".