11661762434233 has 2 divisors, whose sum is σ = 11661762434234. Its totient is φ = 11661762434232.

The previous prime is 11661762434209. The next prime is 11661762434251. The reversal of 11661762434233 is 33243426716611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10151156743744 + 1510605690489 = 3186088^2 + 1229067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11661762434233 is a prime.

It is not a weakly prime, because it can be changed into another prime (11661762434033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830881217116 + 5830881217117.

It is an arithmetic number, because the mean of its divisors is an integer number (5830881217117).

Almost surely, 2^{11661762434233} is an apocalyptic number.

It is an amenable number.

11661762434233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11661762434233 is an equidigital number, since it uses as much as digits as its factorization.

11661762434233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 49.

The spelling of 11661762434233 in words is "eleven trillion, six hundred sixty-one billion, seven hundred sixty-two million, four hundred thirty-four thousand, two hundred thirty-three".