108518791 has 2 divisors, whose sum is σ = 108518792. Its totient is φ = 108518790.

The previous prime is 108518789. The next prime is 108518801. The reversal of 108518791 is 197815801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108518791 - 2¹ = 108518789 is a prime.

Together with 108518789, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108518491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54259395 + 54259396.

It is an arithmetic number, because the mean of its divisors is an integer number (54259396).

Almost surely, 2^108518791 is an apocalyptic number.

108518791 is a deficient number, since it is larger than the sum of its proper divisors (1).

108518791 is an equidigital number, since it uses as much as digits as its factorization.

108518791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 40.

The square root of 108518791 is about 10417.2352858136. The cubic root of 108518791 is about 476.9816250776.

The spelling of 108518791 in words is "one hundred eight million, five hundred eighteen thousand, seven hundred ninety-one".