1111404997 has 2 divisors, whose sum is σ = 1111404998. Its totient is φ = 1111404996.

The previous prime is 1111404977. The next prime is 1111405079. The reversal of 1111404997 is 7994041111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906371236 + 205033761 = 30106^2 + 14319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111404997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111404907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555702498 + 555702499.

It is an arithmetic number, because the mean of its divisors is an integer number (555702499).

Almost surely, 2^1111404997 is an apocalyptic number.

It is an amenable number.

1111404997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111404997 is an equidigital number, since it uses as much as digits as its factorization.

1111404997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 1111404997 is about 33337.7413302101. The cubic root of 1111404997 is about 1035.8354777801.

The spelling of 1111404997 in words is "one billion, one hundred eleven million, four hundred four thousand, nine hundred ninety-seven".