1113130553 has 4 divisors (see below), whose sum is σ = 1113490560. Its totient is φ = 1112770548.

The previous prime is 1113130549. The next prime is 1113130583. The reversal of 1113130553 is 3550313111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1113130553 - 2² = 1113130549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113130583) 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, 175325 + ... + 181562.

It is an arithmetic number, because the mean of its divisors is an integer number (278372640).

Almost surely, 2^1113130553 is an apocalyptic number.

It is an amenable number.

1113130553 is a deficient number, since it is larger than the sum of its proper divisors (360007).

1113130553 is an equidigital number, since it uses as much as digits as its factorization.

1113130553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360006.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1113130553 is about 33363.6112104191. The cubic root of 1113130553 is about 1036.3712764304.

Adding to 1113130553 its reverse (3550313111), we get a palindrome (4663443664).

The spelling of 1113130553 in words is "one billion, one hundred thirteen million, one hundred thirty thousand, five hundred fifty-three".