105055555123 has 2 divisors, whose sum is σ = 105055555124. Its totient is φ = 105055555122.

The previous prime is 105055555097. The next prime is 105055555127. The reversal of 105055555123 is 321555550501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105055555123 is a prime.

It is a super-2 number, since 2×105055555123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105055555127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52527777561 + 52527777562.

It is an arithmetic number, because the mean of its divisors is an integer number (52527777562).

Almost surely, 2^105055555123 is an apocalyptic number.

105055555123 is a deficient number, since it is larger than the sum of its proper divisors (1).

105055555123 is an equidigital number, since it uses as much as digits as its factorization.

105055555123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 105055555123 in words is "one hundred five billion, fifty-five million, five hundred fifty-five thousand, one hundred twenty-three".