11111032003331 has 24 divisors (see below), whose sum is σ = 12779394020064. Its totient is φ = 9622571312640.

The previous prime is 11111032003321. The next prime is 11111032003381. The reversal of 11111032003331 is 13330023011111.

It is a de Polignac number, because none of the positive numbers 2^k-11111032003331 is a prime.

It is a super-2 number, since 2×11111032003331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111032003301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5189255 + ... + 7010736.

It is an arithmetic number, because the mean of its divisors is an integer number (532474750836).

Almost surely, 2^{11111032003331} is an apocalyptic number.

11111032003331 is a deficient number, since it is larger than the sum of its proper divisors (1668362016733).

11111032003331 is a wasteful number, since it uses less digits than its factorization.

11111032003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200351 (or 12200338 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11111032003331 its reverse (13330023011111), we get a palindrome (24441055014442).

The spelling of 11111032003331 in words is "eleven trillion, one hundred eleven billion, thirty-two million, three thousand, three hundred thirty-one".