110011000999991 has 32 divisors (see below), whose sum is σ = 136304040566400. Its totient is φ = 86974751635200.

The previous prime is 110011000999957. The next prime is 110011000999993. The reversal of 110011000999991 is 199999000110011.

It is not a de Polignac number, because 110011000999991 - 2²² = 110010996805687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011000999993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17258915 + ... + 22757243.

It is an arithmetic number, because the mean of its divisors is an integer number (4259501267700).

Almost surely, 2^{110011000999991} is an apocalyptic number.

110011000999991 is a deficient number, since it is larger than the sum of its proper divisors (26293039566409).

110011000999991 is an equidigital number, since it uses as much as digits as its factorization.

110011000999991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499676 (or 5499650 counting only the distinct ones).

The product of its (nonzero) digits is 59049, while the sum is 50.

The spelling of 110011000999991 in words is "one hundred ten trillion, eleven billion, nine hundred ninety-nine thousand, nine hundred ninety-one".