109051799 has 4 divisors (see below), whose sum is σ = 109232064. Its totient is φ = 108871536.

The previous prime is 109051783. The next prime is 109051807. The reversal of 109051799 is 997150901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109051799 - 2⁴ = 109051783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109051499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89222 + ... + 90435.

It is an arithmetic number, because the mean of its divisors is an integer number (27308016).

Almost surely, 2^109051799 is an apocalyptic number.

109051799 is a deficient number, since it is larger than the sum of its proper divisors (180265).

109051799 is an equidigital number, since it uses as much as digits as its factorization.

109051799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180264.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 109051799 is about 10442.7869364457. The cubic root of 109051799 is about 477.7612747359.

The spelling of 109051799 in words is "one hundred nine million, fifty-one thousand, seven hundred ninety-nine".