109155851 has 16 divisors (see below), whose sum is σ = 126829248. Its totient is φ = 92016000.

The previous prime is 109155829. The next prime is 109155857. The reversal of 109155851 is 158551901.

It is a cyclic number.

It is not a de Polignac number, because 109155851 - 2¹⁴ = 109139467 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (109155857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127541 + ... + 128393.

It is an arithmetic number, because the mean of its divisors is an integer number (7926828).

Almost surely, 2^109155851 is an apocalyptic number.

109155851 is a deficient number, since it is larger than the sum of its proper divisors (17673397).

109155851 is a wasteful number, since it uses less digits than its factorization.

109155851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 9000, while the sum is 35.

The square root of 109155851 is about 10447.7677520129. The cubic root of 109155851 is about 477.9131787365.

The spelling of 109155851 in words is "one hundred nine million, one hundred fifty-five thousand, eight hundred fifty-one".