56111105101 has 4 divisors (see below), whose sum is σ = 56111898304. Its totient is φ = 56110311900.

The previous prime is 56111105093. The next prime is 56111105107. The reversal of 56111105101 is 10150111165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56111105101 - 2³ = 56111105093 is a prime.

It is a super-2 number, since 2×56111105101² (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 (56111105107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278835 + ... + 435856.

It is an arithmetic number, because the mean of its divisors is an integer number (14027974576).

Almost surely, 2^56111105101 is an apocalyptic number.

It is an amenable number.

56111105101 is a deficient number, since it is larger than the sum of its proper divisors (793203).

56111105101 is an equidigital number, since it uses as much as digits as its factorization.

56111105101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793202.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 56111105101 its reverse (10150111165), we get a palindrome (66261216266).

The spelling of 56111105101 in words is "fifty-six billion, one hundred eleven million, one hundred five thousand, one hundred one".