105011100055999 has 2 divisors, whose sum is σ = 105011100056000. Its totient is φ = 105011100055998.

The previous prime is 105011100055997. The next prime is 105011100056011. The reversal of 105011100055999 is 999550001110501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105011100055999 - 2¹ = 105011100055997 is a prime.

It is a super-2 number, since 2×105011100055999² (a number of 29 digits) contains 22 as substring.

Together with 105011100055997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105011100055997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52505550027999 + 52505550028000.

It is an arithmetic number, because the mean of its divisors is an integer number (52505550028000).

Almost surely, 2^{105011100055999} is an apocalyptic number.

105011100055999 is a deficient number, since it is larger than the sum of its proper divisors (1).

105011100055999 is an equidigital number, since it uses as much as digits as its factorization.

105011100055999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91125, while the sum is 46.

The spelling of 105011100055999 in words is "one hundred five trillion, eleven billion, one hundred million, fifty-five thousand, nine hundred ninety-nine".