109881791699 has 8 divisors (see below), whose sum is σ = 111435234912. Its totient is φ = 108328510080.

The previous prime is 109881791689. The next prime is 109881791711. The reversal of 109881791699 is 996197188901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109881791699 - 2⁸ = 109881791443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109881791689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199947 + ... + 2249339.

It is an arithmetic number, because the mean of its divisors is an integer number (13929404364).

Almost surely, 2^109881791699 is an apocalyptic number.

109881791699 is a deficient number, since it is larger than the sum of its proper divisors (1553443213).

109881791699 is an equidigital number, since it uses as much as digits as its factorization.

109881791699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80797.

The product of its (nonzero) digits is 17635968, while the sum is 68.

The spelling of 109881791699 in words is "one hundred nine billion, eight hundred eighty-one million, seven hundred ninety-one thousand, six hundred ninety-nine".