1115041141 has 4 divisors (see below), whose sum is σ = 1115108032. Its totient is φ = 1114974252.

The previous prime is 1115041129. The next prime is 1115041157. The reversal of 1115041141 is 1411405111.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1411405111 = 4127 ⋅341993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115041141 is a prime.

It is a super-2 number, since 2×1115041141² = 2486633492245163762, which 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 (1115041121) 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, 13906 + ... + 49228.

It is an arithmetic number, because the mean of its divisors is an integer number (278777008).

Almost surely, 2^1115041141 is an apocalyptic number.

It is an amenable number.

1115041141 is a deficient number, since it is larger than the sum of its proper divisors (66891).

1115041141 is an equidigital number, since it uses as much as digits as its factorization.

1115041141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66890.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 1115041141 is about 33392.2317463209. The cubic root of 1115041141 is about 1036.9638833870.

Adding to 1115041141 its reverse (1411405111), we get a palindrome (2526446252).

The spelling of 1115041141 in words is "one billion, one hundred fifteen million, forty-one thousand, one hundred forty-one".