1110016991 has 2 divisors, whose sum is σ = 1110016992. Its totient is φ = 1110016990.

The previous prime is 1110016987. The next prime is 1110017009. The reversal of 1110016991 is 1996100111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1996100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110016991 - 2² = 1110016987 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110016931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555008495 + 555008496.

It is an arithmetic number, because the mean of its divisors is an integer number (555008496).

Almost surely, 2^1110016991 is an apocalyptic number.

1110016991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110016991 is an equidigital number, since it uses as much as digits as its factorization.

1110016991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 29.

The square root of 1110016991 is about 33316.9174894677. The cubic root of 1110016991 is about 1035.4040884428.

The spelling of 1110016991 in words is "one billion, one hundred ten million, sixteen thousand, nine hundred ninety-one".