109073555 has 4 divisors (see below), whose sum is σ = 130888272. Its totient is φ = 87258840.

The previous prime is 109073543. The next prime is 109073557. The reversal of 109073555 is 555370901.

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

It is not a de Polignac number, because 109073555 - 2¹⁰ = 109072531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109073557) 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, 10907351 + ... + 10907360.

It is an arithmetic number, because the mean of its divisors is an integer number (32722068).

Almost surely, 2^109073555 is an apocalyptic number.

109073555 is a deficient number, since it is larger than the sum of its proper divisors (21814717).

109073555 is an equidigital number, since it uses as much as digits as its factorization.

109073555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21814716.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 109073555 is about 10443.8285604466. The cubic root of 109073555 is about 477.7930439907.

The spelling of 109073555 in words is "one hundred nine million, seventy-three thousand, five hundred fifty-five".