1105112253 has 16 divisors (see below), whose sum is σ = 1684459520. Its totient is φ = 631313136.

The previous prime is 1105112249. The next prime is 1105112287. The reversal of 1105112253 is 3522115011.

It is not a de Polignac number, because 1105112253 - 2² = 1105112249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105112233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113928 + ... + 123246.

It is an arithmetic number, because the mean of its divisors is an integer number (105278720).

Almost surely, 2^1105112253 is an apocalyptic number.

It is an amenable number.

1105112253 is a deficient number, since it is larger than the sum of its proper divisors (579347267).

1105112253 is an equidigital number, since it uses as much as digits as its factorization.

1105112253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1105112253 is about 33243.2286789355. The cubic root of 1105112253 is about 1033.8768193272.

Adding to 1105112253 its reverse (3522115011), we get a palindrome (4627227264).

The spelling of 1105112253 in words is "one billion, one hundred five million, one hundred twelve thousand, two hundred fifty-three".