1131115341 has 4 divisors (see below), whose sum is σ = 1508153792. Its totient is φ = 754076892.

The previous prime is 1131115327. The next prime is 1131115343. The reversal of 1131115341 is 1435111311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1131115341 - 2²⁵ = 1097560909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131115343) 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 3 ways as a sum of consecutive naturals, for example, 188519221 + ... + 188519226.

It is an arithmetic number, because the mean of its divisors is an integer number (377038448).

Almost surely, 2^1131115341 is an apocalyptic number.

It is an amenable number.

1131115341 is a deficient number, since it is larger than the sum of its proper divisors (377038451).

1131115341 is an equidigital number, since it uses as much as digits as its factorization.

1131115341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377038450.

The product of its digits is 180, while the sum is 21.

The square root of 1131115341 is about 33632.0582331798. The cubic root of 1131115341 is about 1041.9230141090.

Adding to 1131115341 its reverse (1435111311), we get a palindrome (2566226652).

The spelling of 1131115341 in words is "one billion, one hundred thirty-one million, one hundred fifteen thousand, three hundred forty-one".