11780718419 has 2 divisors, whose sum is σ = 11780718420. Its totient is φ = 11780718418.

The previous prime is 11780718373. The next prime is 11780718437. The reversal of 11780718419 is 91481708711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11780718419 - 2²⁰ = 11779669843 is a prime.

It is a super-2 number, since 2×11780718419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11780718919) 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, 5890359209 + 5890359210.

It is an arithmetic number, because the mean of its divisors is an integer number (5890359210).

Almost surely, 2^11780718419 is an apocalyptic number.

11780718419 is a deficient number, since it is larger than the sum of its proper divisors (1).

11780718419 is an equidigital number, since it uses as much as digits as its factorization.

11780718419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 47.

The spelling of 11780718419 in words is "eleven billion, seven hundred eighty million, seven hundred eighteen thousand, four hundred nineteen".