11383838311 has 4 divisors (see below), whose sum is σ = 11414857312. Its totient is φ = 11352819312.

The previous prime is 11383838281. The next prime is 11383838317.

11383838311 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 11383838311 - 2²³ = 11375449703 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 (11383838317) 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, 15508950 + ... + 15509683.

It is an arithmetic number, because the mean of its divisors is an integer number (2853714328).

Almost surely, 2^11383838311 is an apocalyptic number.

11383838311 is a deficient number, since it is larger than the sum of its proper divisors (31019001).

11383838311 is an equidigital number, since it uses as much as digits as its factorization.

11383838311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31019000.

The product of its digits is 41472, while the sum is 40.

The spelling of 11383838311 in words is "eleven billion, three hundred eighty-three million, eight hundred thirty-eight thousand, three hundred eleven".