1115604461 has 2 divisors, whose sum is σ = 1115604462. Its totient is φ = 1115604460.

The previous prime is 1115604421. The next prime is 1115604467. The reversal of 1115604461 is 1644065111.

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., 601720900 + 513883561 = 24530^2 + 22669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115604461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115604467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557802230 + 557802231.

It is an arithmetic number, because the mean of its divisors is an integer number (557802231).

Almost surely, 2^1115604461 is an apocalyptic number.

It is an amenable number.

1115604461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115604461 is an equidigital number, since it uses as much as digits as its factorization.

1115604461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1115604461 is about 33400.6655772007. The cubic root of 1115604461 is about 1037.1384790831.

Adding to 1115604461 its reverse (1644065111), we get a palindrome (2759669572).

The spelling of 1115604461 in words is "one billion, one hundred fifteen million, six hundred four thousand, four hundred sixty-one".