11680933541 has 2 divisors, whose sum is σ = 11680933542. Its totient is φ = 11680933540.

The previous prime is 11680933489. The next prime is 11680933609. The reversal of 11680933541 is 14533908611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10882871041 + 798062500 = 104321^2 + 28250^2 .

It is a cyclic number.

It is not a de Polignac number, because 11680933541 - 2¹⁸ = 11680671397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11680933441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5840466770 + 5840466771.

It is an arithmetic number, because the mean of its divisors is an integer number (5840466771).

Almost surely, 2^11680933541 is an apocalyptic number.

It is an amenable number.

11680933541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11680933541 is an equidigital number, since it uses as much as digits as its factorization.

11680933541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 11680933541 in words is "eleven billion, six hundred eighty million, nine hundred thirty-three thousand, five hundred forty-one".