56101105011 has 8 divisors (see below), whose sum is σ = 85487398144. Its totient is φ = 32057774280.

The previous prime is 56101105009. The next prime is 56101105019. The reversal of 56101105011 is 11050110165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56101105011 - 2¹ = 56101105009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2671481191 = 56101105011 / (5 + 6 + 1 + 0 + 1 + 1 + 0 + 5 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56101105019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335740575 + ... + 1335740616.

It is an arithmetic number, because the mean of its divisors is an integer number (10685924768).

Almost surely, 2^56101105011 is an apocalyptic number.

56101105011 is a deficient number, since it is larger than the sum of its proper divisors (29386293133).

56101105011 is a wasteful number, since it uses less digits than its factorization.

56101105011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671481201.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 56101105011 its reverse (11050110165), we get a palindrome (67151215176).

The spelling of 56101105011 in words is "fifty-six billion, one hundred one million, one hundred five thousand, eleven".