105056005055 has 4 divisors (see below), whose sum is σ = 126067206072. Its totient is φ = 84044804040.

The previous prime is 105056005031. The next prime is 105056005069. The reversal of 105056005055 is 550500650501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105056005055 - 2²⁸ = 104787569599 is a prime.

It is a super-2 number, since 2×105056005055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10505600501 + ... + 10505600510.

It is an arithmetic number, because the mean of its divisors is an integer number (31516801518).

Almost surely, 2^105056005055 is an apocalyptic number.

105056005055 is a deficient number, since it is larger than the sum of its proper divisors (21011201017).

105056005055 is an equidigital number, since it uses as much as digits as its factorization.

105056005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011201016.

The product of its (nonzero) digits is 18750, while the sum is 32.

Adding to 105056005055 its reverse (550500650501), we get a palindrome (655556655556).

The spelling of 105056005055 in words is "one hundred five billion, fifty-six million, five thousand, fifty-five".