11015042043 has 24 divisors (see below), whose sum is σ = 15166545712. Its totient is φ = 7105843584.

The previous prime is 11015042023. The next prime is 11015042069. The reversal of 11015042043 is 34024051011.

11015042043 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 11015042043 - 2⁸ = 11015041787 is a prime.

It is a super-2 number, since 2×11015042043² (a number of 21 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 (11015042023) 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 23 ways as a sum of consecutive naturals, for example, 4306521 + ... + 4309077.

Almost surely, 2^11015042043 is an apocalyptic number.

11015042043 is a deficient number, since it is larger than the sum of its proper divisors (4151503669).

11015042043 is an equidigital number, since it uses as much as digits as its factorization.

11015042043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11015042043 its reverse (34024051011), we get a palindrome (45039093054).

The spelling of 11015042043 in words is "eleven billion, fifteen million, forty-two thousand, forty-three".