109551901 has 8 divisors (see below), whose sum is σ = 113288544. Its totient is φ = 105877200.

The previous prime is 109551899. The next prime is 109551919. The reversal of 109551901 is 109155901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109551901 - 2¹ = 109551899 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 (109551941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11875 + ... + 18976.

It is an arithmetic number, because the mean of its divisors is an integer number (14161068).

Almost surely, 2^109551901 is an apocalyptic number.

It is an amenable number.

109551901 is a deficient number, since it is larger than the sum of its proper divisors (3736643).

109551901 is an equidigital number, since it uses as much as digits as its factorization.

109551901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30971.

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 109551901 is about 10466.7044001443. The cubic root of 109551901 is about 478.4904849599.

The spelling of 109551901 in words is "one hundred nine million, five hundred fifty-one thousand, nine hundred one".