1115628799 has 2 divisors, whose sum is σ = 1115628800. Its totient is φ = 1115628798.

The previous prime is 1115628797. The next prime is 1115628803. The reversal of 1115628799 is 9978265111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115628799 - 2¹ = 1115628797 is a prime.

Together with 1115628797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115628793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557814399 + 557814400.

It is an arithmetic number, because the mean of its divisors is an integer number (557814400).

Almost surely, 2^1115628799 is an apocalyptic number.

1115628799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115628799 is an equidigital number, since it uses as much as digits as its factorization.

1115628799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 49.

The square root of 1115628799 is about 33401.0299092708. The cubic root of 1115628799 is about 1037.1460210909.

The spelling of 1115628799 in words is "one billion, one hundred fifteen million, six hundred twenty-eight thousand, seven hundred ninety-nine".