1115204041 has 4 divisors (see below), whose sum is σ = 1274518912. Its totient is φ = 955889172.

The previous prime is 1115204039. The next prime is 1115204047. The reversal of 1115204041 is 1404025111.

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 1115204041 - 2¹ = 1115204039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115204047) 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, 79657425 + ... + 79657438.

It is an arithmetic number, because the mean of its divisors is an integer number (318629728).

Almost surely, 2^1115204041 is an apocalyptic number.

It is an amenable number.

1115204041 is a deficient number, since it is larger than the sum of its proper divisors (159314871).

1115204041 is an equidigital number, since it uses as much as digits as its factorization.

1115204041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159314870.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1115204041 is about 33394.6708473074. The cubic root of 1115204041 is about 1037.0143787409.

Adding to 1115204041 its reverse (1404025111), we get a palindrome (2519229152).

The spelling of 1115204041 in words is "one billion, one hundred fifteen million, two hundred four thousand, forty-one".