1105194451799 has 32 divisors (see below), whose sum is σ = 1180643143680. Its totient is φ = 1032819091200.

The previous prime is 1105194451789. The next prime is 1105194451807. The reversal of 1105194451799 is 9971544915011.

It is a cyclic number.

It is not a de Polignac number, because 1105194451799 - 2¹² = 1105194447703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105194451789) 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 31 ways as a sum of consecutive naturals, for example, 52470332 + ... + 52491390.

It is an arithmetic number, because the mean of its divisors is an integer number (36895098240).

Almost surely, 2^{1105194451799} is an apocalyptic number.

1105194451799 is a deficient number, since it is larger than the sum of its proper divisors (75448691881).

1105194451799 is a wasteful number, since it uses less digits than its factorization.

1105194451799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21551.

The product of its (nonzero) digits is 2041200, while the sum is 56.

The spelling of 1105194451799 in words is "one trillion, one hundred five billion, one hundred ninety-four million, four hundred fifty-one thousand, seven hundred ninety-nine".