1135111043 has 6 divisors (see below), whose sum is σ = 1247684172. Its totient is φ = 1031919020.

The previous prime is 1135111039. The next prime is 1135111057. The reversal of 1135111043 is 3401115311.

It is not a de Polignac number, because 1135111043 - 2² = 1135111039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135111013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4690421 + ... + 4690662.

It is an arithmetic number, because the mean of its divisors is an integer number (207947362).

Almost surely, 2^1135111043 is an apocalyptic number.

1135111043 is a deficient number, since it is larger than the sum of its proper divisors (112573129).

1135111043 is an equidigital number, since it uses as much as digits as its factorization.

1135111043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9381105 (or 9381094 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1135111043 is about 33691.4090385071. The cubic root of 1135111043 is about 1043.1484480057.

Adding to 1135111043 its reverse (3401115311), we get a palindrome (4536226354).

The spelling of 1135111043 in words is "one billion, one hundred thirty-five million, one hundred eleven thousand, forty-three".