1105253553 has 8 divisors (see below), whose sum is σ = 1507943008. Its totient is φ = 719699904.

The previous prime is 1105253543. The next prime is 1105253557. The reversal of 1105253553 is 3553525011.

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

It is not a de Polignac number, because 1105253553 - 2⁴ = 1105253537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105253553.

It is not an unprimeable number, because it can be changed into a prime (1105253557) 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, 4283800 + ... + 4284057.

It is an arithmetic number, because the mean of its divisors is an integer number (188492876).

Almost surely, 2^1105253553 is an apocalyptic number.

It is an amenable number.

1105253553 is a deficient number, since it is larger than the sum of its proper divisors (402689455).

1105253553 is an equidigital number, since it uses as much as digits as its factorization.

1105253553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567903.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1105253553 is about 33245.3538558398. The cubic root of 1105253553 is about 1033.9208813877.

Adding to 1105253553 its reverse (3553525011), we get a palindrome (4658778564).

The spelling of 1105253553 in words is "one billion, one hundred five million, two hundred fifty-three thousand, five hundred fifty-three".