109116919 has 2 divisors, whose sum is σ = 109116920. Its totient is φ = 109116918.

The previous prime is 109116911. The next prime is 109116923. The reversal of 109116919 is 919611901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109116919 - 2³ = 109116911 is a prime.

It is a super-2 number, since 2×109116919² = 23813004024105122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109116911) 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 as a sum of consecutive naturals, namely, 54558459 + 54558460.

It is an arithmetic number, because the mean of its divisors is an integer number (54558460).

Almost surely, 2^109116919 is an apocalyptic number.

109116919 is a deficient number, since it is larger than the sum of its proper divisors (1).

109116919 is an equidigital number, since it uses as much as digits as its factorization.

109116919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 37.

The square root of 109116919 is about 10445.9044127352. The cubic root of 109116919 is about 477.8563537833.

The spelling of 109116919 in words is "one hundred nine million, one hundred sixteen thousand, nine hundred nineteen".