11110001331 has 32 divisors (see below), whose sum is σ = 17454947328. Its totient is φ = 6196861440.

The previous prime is 11110001323. The next prime is 11110001333. The reversal of 11110001331 is 13310001111.

11110001331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11110001331 - 2³ = 11110001323 is a prime.

It is a super-2 number, since 2×11110001331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11110001333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106150 + ... + 182996.

It is an arithmetic number, because the mean of its divisors is an integer number (545467104).

Almost surely, 2^11110001331 is an apocalyptic number.

11110001331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11110001331 is a deficient number, since it is larger than the sum of its proper divisors (6344945997).

11110001331 is a wasteful number, since it uses less digits than its factorization.

11110001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77211.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11110001331 its reverse (13310001111), we get a palindrome (24420002442).

The spelling of 11110001331 in words is "eleven billion, one hundred ten million, one thousand, three hundred thirty-one".