109051899 has 16 divisors (see below), whose sum is σ = 161616384. Its totient is φ = 64844000.

The previous prime is 109051879. The next prime is 109051903. The reversal of 109051899 is 998150901.

It is a cyclic number.

It is not a de Polignac number, because 109051899 - 2⁸ = 109051643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109051899.

It is not an unprimeable number, because it can be changed into a prime (109051829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29427 + ... + 32924.

It is an arithmetic number, because the mean of its divisors is an integer number (10101024).

Almost surely, 2^109051899 is an apocalyptic number.

109051899 is a deficient number, since it is larger than the sum of its proper divisors (52564485).

109051899 is a wasteful number, since it uses less digits than its factorization.

109051899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62418.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 109051899 is about 10442.7917244384. The cubic root of 109051899 is about 477.7614207709.

The spelling of 109051899 in words is "one hundred nine million, fifty-one thousand, eight hundred ninety-nine".