56111011050810 has 64 divisors (see below), whose sum is σ = 135401255095680. Its totient is φ = 14881496689920.

The previous prime is 56111011050763. The next prime is 56111011050817. The reversal of 56111011050810 is 1805011011165.

It is a super-2 number, since 2×56111011050810² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56111011050817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2184625 + ... + 10816404.

It is an arithmetic number, because the mean of its divisors is an integer number (2115644610870).

Almost surely, 2^{56111011050810} is an apocalyptic number.

56111011050810 is an abundant number, since it is smaller than the sum of its proper divisors (79290244044870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56111011050810 is a wasteful number, since it uses less digits than its factorization.

56111011050810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001823.

The product of its (nonzero) digits is 1200, while the sum is 30.

Adding to 56111011050810 its reverse (1805011011165), we get a palindrome (57916022061975).

The spelling of 56111011050810 in words is "fifty-six trillion, one hundred eleven billion, eleven million, fifty thousand, eight hundred ten".