1101106253 has 4 divisors (see below), whose sum is σ = 1185806748. Its totient is φ = 1016405760.

The previous prime is 1101106247. The next prime is 1101106261. The reversal of 1101106253 is 3526011011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3526011011 = 563 ⋅6262897.

It can be written as a sum of positive squares in 2 ways, for example, as 433555684 + 667550569 = 20822^2 + 25837^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101106253 - 2¹² = 1101102157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101106213) 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, 42350228 + ... + 42350253.

It is an arithmetic number, because the mean of its divisors is an integer number (296451687).

Almost surely, 2^1101106253 is an apocalyptic number.

1101106253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1101106253 is a deficient number, since it is larger than the sum of its proper divisors (84700495).

1101106253 is an equidigital number, since it uses as much as digits as its factorization.

1101106253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84700494.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1101106253 is about 33182.9211040861. The cubic root of 1101106253 is about 1032.6260489019.

Adding to 1101106253 its reverse (3526011011), we get a palindrome (4627117264).

The spelling of 1101106253 in words is "one billion, one hundred one million, one hundred six thousand, two hundred fifty-three".