11980855907 has 2 divisors, whose sum is σ = 11980855908. Its totient is φ = 11980855906.

The previous prime is 11980855891. The next prime is 11980855919. The reversal of 11980855907 is 70955808911.

It is a happy number.

11980855907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11980855907 - 2⁴ = 11980855891 is a prime.

It is a super-3 number, since 3×11980855907³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11980855507) 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, 5990427953 + 5990427954.

It is an arithmetic number, because the mean of its divisors is an integer number (5990427954).

Almost surely, 2^11980855907 is an apocalyptic number.

11980855907 is a deficient number, since it is larger than the sum of its proper divisors (1).

11980855907 is an equidigital number, since it uses as much as digits as its factorization.

11980855907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 53.

The spelling of 11980855907 in words is "eleven billion, nine hundred eighty million, eight hundred fifty-five thousand, nine hundred seven".