67120565803 has 2 divisors, whose sum is σ = 67120565804. Its totient is φ = 67120565802.

The previous prime is 67120565797. The next prime is 67120565807. The reversal of 67120565803 is 30856502176.

67120565803 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 a de Polignac number, because none of the positive numbers 2^k-67120565803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67120565803.

It is not a weakly prime, because it can be changed into another prime (67120565807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33560282901 + 33560282902.

It is an arithmetic number, because the mean of its divisors is an integer number (33560282902).

Almost surely, 2^67120565803 is an apocalyptic number.

67120565803 is a deficient number, since it is larger than the sum of its proper divisors (1).

67120565803 is an equidigital number, since it uses as much as digits as its factorization.

67120565803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 67120565803 in words is "sixty-seven billion, one hundred twenty million, five hundred sixty-five thousand, eight hundred three".