109199111775 has 48 divisors (see below), whose sum is σ = 194467553280. Its totient is φ = 53749296000.

The previous prime is 109199111759. The next prime is 109199111797. The reversal of 109199111775 is 577111991901.

It is not a de Polignac number, because 109199111775 - 2⁴ = 109199111759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8916106 + ... + 8928344.

It is an arithmetic number, because the mean of its divisors is an integer number (4051407360).

Almost surely, 2^109199111775 is an apocalyptic number.

109199111775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109199111775 is a deficient number, since it is larger than the sum of its proper divisors (85268441505).

109199111775 is a wasteful number, since it uses less digits than its factorization.

109199111775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21416 (or 21411 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 51.

The spelling of 109199111775 in words is "one hundred nine billion, one hundred ninety-nine million, one hundred eleven thousand, seven hundred seventy-five".