1133013553 has 4 divisors (see below), whose sum is σ = 1294872640. Its totient is φ = 971154468.

The previous prime is 1133013547. The next prime is 1133013571. The reversal of 1133013553 is 3553103311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3553103311 = 107 ⋅33206573.

It is a cyclic number.

It is not a de Polignac number, because 1133013553 - 2⁹ = 1133013041 is a prime.

It is a super-2 number, since 2×1133013553² = 2567439422563367618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133013353) 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, 80929533 + ... + 80929546.

It is an arithmetic number, because the mean of its divisors is an integer number (323718160).

Almost surely, 2^1133013553 is an apocalyptic number.

It is an amenable number.

1133013553 is a deficient number, since it is larger than the sum of its proper divisors (161859087).

1133013553 is an equidigital number, since it uses as much as digits as its factorization.

1133013553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161859086.

The product of its (nonzero) digits is 2025, while the sum is 25.

The square root of 1133013553 is about 33660.2666804647. The cubic root of 1133013553 is about 1042.5055321971.

Adding to 1133013553 its reverse (3553103311), we get a palindrome (4686116864).

The spelling of 1133013553 in words is "one billion, one hundred thirty-three million, thirteen thousand, five hundred fifty-three".