1110666901 has 2 divisors, whose sum is σ = 1110666902. Its totient is φ = 1110666900.

The previous prime is 1110666883. The next prime is 1110666913. The reversal of 1110666901 is 1096660111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606439876 + 504227025 = 24626^2 + 22455^2 .

It is an emirp because it is prime and its reverse (1096660111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110666901 - 2⁷ = 1110666773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110666961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555333450 + 555333451.

It is an arithmetic number, because the mean of its divisors is an integer number (555333451).

Almost surely, 2^1110666901 is an apocalyptic number.

It is an amenable number.

1110666901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110666901 is an equidigital number, since it uses as much as digits as its factorization.

1110666901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1110666901 is about 33326.6695155697. The cubic root of 1110666901 is about 1035.6061238437.

The spelling of 1110666901 in words is "one billion, one hundred ten million, six hundred sixty-six thousand, nine hundred one".