1116390497 has 2 divisors, whose sum is σ = 1116390498. Its totient is φ = 1116390496.

The previous prime is 1116390487. The next prime is 1116390589. The reversal of 1116390497 is 7940936111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735711376 + 380679121 = 27124^2 + 19511^2 .

It is an emirp because it is prime and its reverse (7940936111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1116390497 - 2⁴ = 1116390481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1116390427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558195248 + 558195249.

It is an arithmetic number, because the mean of its divisors is an integer number (558195249).

Almost surely, 2^1116390497 is an apocalyptic number.

It is an amenable number.

1116390497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116390497 is an equidigital number, since it uses as much as digits as its factorization.

1116390497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1116390497 is about 33412.4302767698. The cubic root of 1116390497 is about 1037.3820052968.

The spelling of 1116390497 in words is "one billion, one hundred sixteen million, three hundred ninety thousand, four hundred ninety-seven".