56051105105 has 8 divisors (see below), whose sum is σ = 67285356264. Its totient is φ = 44824864000.

The previous prime is 56051105027. The next prime is 56051105111. The reversal of 56051105105 is 50150115065.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4304409664 + 51746695441 = 65608^2 + 227479^2 .

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

It is not a de Polignac number, because 56051105105 - 2⁸ = 56051104849 is a prime.

It is a super-2 number, since 2×56051105105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987106 + ... + 2015115.

It is an arithmetic number, because the mean of its divisors is an integer number (8410669533).

Almost surely, 2^56051105105 is an apocalyptic number.

It is an amenable number.

56051105105 is a deficient number, since it is larger than the sum of its proper divisors (11234251159).

56051105105 is a wasteful number, since it uses less digits than its factorization.

56051105105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005027.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 56051105105 in words is "fifty-six billion, fifty-one million, one hundred five thousand, one hundred five".