1115452487 has 2 divisors, whose sum is σ = 1115452488. Its totient is φ = 1115452486.

The previous prime is 1115452453. The next prime is 1115452489. The reversal of 1115452487 is 7842545111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115452487 - 2⁸ = 1115452231 is a prime.

Together with 1115452489, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115452487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115452489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557726243 + 557726244.

It is an arithmetic number, because the mean of its divisors is an integer number (557726244).

Almost surely, 2^1115452487 is an apocalyptic number.

1115452487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115452487 is an equidigital number, since it uses as much as digits as its factorization.

1115452487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 38.

The square root of 1115452487 is about 33398.3904851716. The cubic root of 1115452487 is about 1037.0913819722.

Adding to 1115452487 its reverse (7842545111), we get a palindrome (8957997598).

The spelling of 1115452487 in words is "one billion, one hundred fifteen million, four hundred fifty-two thousand, four hundred eighty-seven".