1011268799 has 2 divisors, whose sum is σ = 1011268800. Its totient is φ = 1011268798.

The previous prime is 1011268777. The next prime is 1011268801. The reversal of 1011268799 is 9978621101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011268799 is a prime.

Together with 1011268801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011268199) 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, 505634399 + 505634400.

It is an arithmetic number, because the mean of its divisors is an integer number (505634400).

Almost surely, 2^1011268799 is an apocalyptic number.

1011268799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011268799 is an equidigital number, since it uses as much as digits as its factorization.

1011268799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 44.

The square root of 1011268799 is about 31800.4528112415. The cubic root of 1011268799 is about 1003.7422444704.

The spelling of 1011268799 in words is "one billion, eleven million, two hundred sixty-eight thousand, seven hundred ninety-nine".