1111134043 has 4 divisors (see below), whose sum is σ = 1149449040. Its totient is φ = 1072819048.

The previous prime is 1111134019. The next prime is 1111134047. The reversal of 1111134043 is 3404311111.

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 1111134043 - 2²¹ = 1109036891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111134043.

It is not an unprimeable number, because it can be changed into a prime (1111134047) 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, 19157455 + ... + 19157512.

It is an arithmetic number, because the mean of its divisors is an integer number (287362260).

Almost surely, 2^1111134043 is an apocalyptic number.

1111134043 is a deficient number, since it is larger than the sum of its proper divisors (38314997).

1111134043 is an equidigital number, since it uses as much as digits as its factorization.

1111134043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38314996.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1111134043 is about 33333.6773098919. The cubic root of 1111134043 is about 1035.7512940733.

Adding to 1111134043 its reverse (3404311111), we get a palindrome (4515445154).

It can be divided in two parts, 11111 and 34043, that added together give a palindrome (45154).

The spelling of 1111134043 in words is "one billion, one hundred eleven million, one hundred thirty-four thousand, forty-three".