109669191811 has 8 divisors (see below), whose sum is σ = 110248280064. Its totient is φ = 109090945800.

The previous prime is 109669191763. The next prime is 109669191829. The reversal of 109669191811 is 118191966901.

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 109669191811 - 2⁷ = 109669191683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109669191211) 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, 51406 + ... + 471148.

It is an arithmetic number, because the mean of its divisors is an integer number (13781035008).

Almost surely, 2^109669191811 is an apocalyptic number.

109669191811 is a deficient number, since it is larger than the sum of its proper divisors (579088253).

109669191811 is a wasteful number, since it uses less digits than its factorization.

109669191811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421121.

The product of its (nonzero) digits is 209952, while the sum is 52.

The spelling of 109669191811 in words is "one hundred nine billion, six hundred sixty-nine million, one hundred ninety-one thousand, eight hundred eleven".