113666041 has 2 divisors, whose sum is σ = 113666042. Its totient is φ = 113666040.

The previous prime is 113666039. The next prime is 113666089. The reversal of 113666041 is 140666311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64722025 + 48944016 = 8045^2 + 6996^2 .

It is an emirp because it is prime and its reverse (140666311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113666041 - 2¹ = 113666039 is a prime.

It is a super-2 number, since 2×113666041² = 25839937753227362, which contains 22 as substring.

Together with 113666039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113666011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56833020 + 56833021.

It is an arithmetic number, because the mean of its divisors is an integer number (56833021).

Almost surely, 2^113666041 is an apocalyptic number.

It is an amenable number.

113666041 is a deficient number, since it is larger than the sum of its proper divisors (1).

113666041 is an equidigital number, since it uses as much as digits as its factorization.

113666041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 113666041 is about 10661.4277186501. The cubic root of 113666041 is about 484.4068150924.

The spelling of 113666041 in words is "one hundred thirteen million, six hundred sixty-six thousand, forty-one".