1050105605555 has 4 divisors (see below), whose sum is σ = 1260126726672. Its totient is φ = 840084484440.

The previous prime is 1050105605537. The next prime is 1050105605599. The reversal of 1050105605555 is 5555065010501.

It is a happy number.

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

It is not a de Polignac number, because 1050105605555 - 2⁶ = 1050105605491 is a prime.

It is a super-2 number, since 2×1050105605555² (a number of 25 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 3 ways as a sum of consecutive naturals, for example, 105010560551 + ... + 105010560560.

It is an arithmetic number, because the mean of its divisors is an integer number (315031681668).

Almost surely, 2^{1050105605555} is an apocalyptic number.

1050105605555 is a deficient number, since it is larger than the sum of its proper divisors (210021121117).

1050105605555 is an equidigital number, since it uses as much as digits as its factorization.

1050105605555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210021121116.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 1050105605555 in words is "one trillion, fifty billion, one hundred five million, six hundred five thousand, five hundred fifty-five".