11331355313311 has 4 divisors (see below), whose sum is σ = 12361478523624. Its totient is φ = 10301232103000.

The previous prime is 11331355313279. The next prime is 11331355313351.

11331355313311 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 11331355313311 - 2⁵ = 11331355313279 is a prime.

It is a super-2 number, since 2×11331355313311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331355313351) 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, 515061605140 + ... + 515061605161.

It is an arithmetic number, because the mean of its divisors is an integer number (3090369630906).

Almost surely, 2^{11331355313311} is an apocalyptic number.

11331355313311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11331355313311 is a deficient number, since it is larger than the sum of its proper divisors (1030123210313).

11331355313311 is a wasteful number, since it uses less digits than its factorization.

11331355313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030123210312.

The product of its digits is 18225, while the sum is 34.

It can be divided in two parts, 1133135 and 5313311, that added together give a palindrome (6446446).

The spelling of 11331355313311 in words is "eleven trillion, three hundred thirty-one billion, three hundred fifty-five million, three hundred thirteen thousand, three hundred eleven".