11830780033 has 2 divisors, whose sum is σ = 11830780034. Its totient is φ = 11830780032.

The previous prime is 11830780009. The next prime is 11830780079. The reversal of 11830780033 is 33008703811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6198727824 + 5632052209 = 78732^2 + 75047^2 .

It is an emirp because it is prime and its reverse (33008703811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11830780033 - 2⁵ = 11830780001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11830780433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5915390016 + 5915390017.

It is an arithmetic number, because the mean of its divisors is an integer number (5915390017).

Almost surely, 2^11830780033 is an apocalyptic number.

It is an amenable number.

11830780033 is a deficient number, since it is larger than the sum of its proper divisors (1).

11830780033 is an equidigital number, since it uses as much as digits as its factorization.

11830780033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 11830780033 in words is "eleven billion, eight hundred thirty million, seven hundred eighty thousand, thirty-three".