1105051009999 has 4 divisors (see below), whose sum is σ = 1128562733664. Its totient is φ = 1081539286336.

The previous prime is 1105051009969. The next prime is 1105051010071. The reversal of 1105051009999 is 9999001505011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105051009999 - 2²⁹ = 1104514139087 is a prime.

It is a super-2 number, since 2×1105051009999² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105051009969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11755861762 + ... + 11755861855.

It is an arithmetic number, because the mean of its divisors is an integer number (282140683416).

Almost surely, 2^{1105051009999} is an apocalyptic number.

1105051009999 is a deficient number, since it is larger than the sum of its proper divisors (23511723665).

1105051009999 is an equidigital number, since it uses as much as digits as its factorization.

1105051009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23511723664.

The product of its (nonzero) digits is 164025, while the sum is 49.

The spelling of 1105051009999 in words is "one trillion, one hundred five billion, fifty-one million, nine thousand, nine hundred ninety-nine".