11666237041 has 2 divisors, whose sum is σ = 11666237042. Its totient is φ = 11666237040.

The previous prime is 11666236979. The next prime is 11666237081. The reversal of 11666237041 is 14073266611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8693697600 + 2972539441 = 93240^2 + 54521^2 .

It is a cyclic number.

It is not a de Polignac number, because 11666237041 - 2⁹ = 11666236529 is a prime.

It is a super-2 number, since 2×11666237041² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11666237081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833118520 + 5833118521.

It is an arithmetic number, because the mean of its divisors is an integer number (5833118521).

Almost surely, 2^11666237041 is an apocalyptic number.

It is an amenable number.

11666237041 is a deficient number, since it is larger than the sum of its proper divisors (1).

11666237041 is an equidigital number, since it uses as much as digits as its factorization.

11666237041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 11666237041 in words is "eleven billion, six hundred sixty-six million, two hundred thirty-seven thousand, forty-one".