11433220311 has 8 divisors (see below), whose sum is σ = 15268923520. Its totient is φ = 7609831992.

The previous prime is 11433220231. The next prime is 11433220349. The reversal of 11433220311 is 11302233411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11433220311 - 2¹⁴ = 11433203927 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 (11423220311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3076555 + ... + 3080268.

It is an arithmetic number, because the mean of its divisors is an integer number (1908615440).

Almost surely, 2^11433220311 is an apocalyptic number.

11433220311 is a deficient number, since it is larger than the sum of its proper divisors (3835703209).

11433220311 is an equidigital number, since it uses as much as digits as its factorization.

11433220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157445.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11433220311 its reverse (11302233411), we get a palindrome (22735453722).

The spelling of 11433220311 in words is "eleven billion, four hundred thirty-three million, two hundred twenty thousand, three hundred eleven".