109557259 has 8 divisors (see below), whose sum is σ = 128592608. Its totient is φ = 91368000.

The previous prime is 109557223. The next prime is 109557263. The reversal of 109557259 is 952755901.

It is a happy number.

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 109557259 - 2¹¹ = 109555211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109557559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211242 + ... + 211759.

It is an arithmetic number, because the mean of its divisors is an integer number (16074076).

Almost surely, 2^109557259 is an apocalyptic number.

109557259 is a deficient number, since it is larger than the sum of its proper divisors (19035349).

109557259 is an equidigital number, since it uses as much as digits as its factorization.

109557259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423045.

The product of its (nonzero) digits is 141750, while the sum is 43.

The square root of 109557259 is about 10466.9603515061. The cubic root of 109557259 is about 478.4982855555.

The spelling of 109557259 in words is "one hundred nine million, five hundred fifty-seven thousand, two hundred fifty-nine".