11042043331 has 8 divisors (see below), whose sum is σ = 12061787184. Its totient is φ = 10024953120.

The previous prime is 11042043329. The next prime is 11042043359. The reversal of 11042043331 is 13334024011.

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

It is a cyclic number.

It is not a de Polignac number, because 11042043331 - 2¹ = 11042043329 is a prime.

It is a super-2 number, since 2×11042043331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11042046331) 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, 654700 + ... + 671353.

It is an arithmetic number, because the mean of its divisors is an integer number (1507723398).

Almost surely, 2^11042043331 is an apocalyptic number.

11042043331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11042043331 is a deficient number, since it is larger than the sum of its proper divisors (1019743853).

11042043331 is a wasteful number, since it uses less digits than its factorization.

11042043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326821.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11042043331 its reverse (13334024011), we get a palindrome (24376067342).

The spelling of 11042043331 in words is "eleven billion, forty-two million, forty-three thousand, three hundred thirty-one".