1115354047 has 2 divisors, whose sum is σ = 1115354048. Its totient is φ = 1115354046.

The previous prime is 1115354029. The next prime is 1115354059. The reversal of 1115354047 is 7404535111.

It is a strong prime.

It is an emirp because it is prime and its reverse (7404535111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1115354047 - 2¹⁹ = 1114829759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115354087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557677023 + 557677024.

It is an arithmetic number, because the mean of its divisors is an integer number (557677024).

Almost surely, 2^1115354047 is an apocalyptic number.

1115354047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115354047 is an equidigital number, since it uses as much as digits as its factorization.

1115354047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1115354047 is about 33396.9167289437. The cubic root of 1115354047 is about 1037.0608728948.

Adding to 1115354047 its reverse (7404535111), we get a palindrome (8519889158).

The spelling of 1115354047 in words is "one billion, one hundred fifteen million, three hundred fifty-four thousand, forty-seven".