1109172953 has 8 divisors (see below), whose sum is σ = 1322740608. Its totient is φ = 909383904.

The previous prime is 1109172941. The next prime is 1109172971. The reversal of 1109172953 is 3592719011.

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 1109172953 - 2²⁰ = 1108124377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1109172353) 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, 3444476 + ... + 3444797.

It is an arithmetic number, because the mean of its divisors is an integer number (165342576).

Almost surely, 2^1109172953 is an apocalyptic number.

It is an amenable number.

1109172953 is a deficient number, since it is larger than the sum of its proper divisors (213567655).

1109172953 is an equidigital number, since it uses as much as digits as its factorization.

1109172953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889303.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 1109172953 is about 33304.2482725553. The cubic root of 1109172953 is about 1035.1415873576.

The spelling of 1109172953 in words is "one billion, one hundred nine million, one hundred seventy-two thousand, nine hundred fifty-three".