1115304401 has 2 divisors, whose sum is σ = 1115304402. Its totient is φ = 1115304400.

The previous prime is 1115304371. The next prime is 1115304403. The reversal of 1115304401 is 1044035111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097199376 + 18105025 = 33124^2 + 4255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115304401 - 2²² = 1111110097 is a prime.

It is a Sophie Germain prime.

Together with 1115304403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1115304403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557652200 + 557652201.

It is an arithmetic number, because the mean of its divisors is an integer number (557652201).

Almost surely, 2^1115304401 is an apocalyptic number.

It is an amenable number.

1115304401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115304401 is an equidigital number, since it uses as much as digits as its factorization.

1115304401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1115304401 is about 33396.1734484656. The cubic root of 1115304401 is about 1037.0454856468.

Adding to 1115304401 its reverse (1044035111), we get a palindrome (2159339512).

The spelling of 1115304401 in words is "one billion, one hundred fifteen million, three hundred four thousand, four hundred one".