1133412311 has 4 divisors (see below), whose sum is σ = 1145097072. Its totient is φ = 1121727552.

The previous prime is 1133412299. The next prime is 1133412349. The reversal of 1133412311 is 1132143311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133412311 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 (1133412611) 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, 5842235 + ... + 5842428.

It is an arithmetic number, because the mean of its divisors is an integer number (286274268).

Almost surely, 2^1133412311 is an apocalyptic number.

1133412311 is a deficient number, since it is larger than the sum of its proper divisors (11684761).

1133412311 is an equidigital number, since it uses as much as digits as its factorization.

1133412311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11684760.

The product of its digits is 216, while the sum is 20.

The square root of 1133412311 is about 33666.1894339113. The cubic root of 1133412311 is about 1042.6278192492.

Adding to 1133412311 its reverse (1132143311), we get a palindrome (2265555622).

The spelling of 1133412311 in words is "one billion, one hundred thirty-three million, four hundred twelve thousand, three hundred eleven".