11668764403 has 2 divisors, whose sum is σ = 11668764404. Its totient is φ = 11668764402.

The previous prime is 11668764397. The next prime is 11668764427. The reversal of 11668764403 is 30446786611.

It is a weak prime.

It is an emirp because it is prime and its reverse (30446786611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11668764403 - 2⁹ = 11668763891 is a prime.

It is not a weakly prime, because it can be changed into another prime (11668764103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5834382201 + 5834382202.

It is an arithmetic number, because the mean of its divisors is an integer number (5834382202).

Almost surely, 2^11668764403 is an apocalyptic number.

11668764403 is a deficient number, since it is larger than the sum of its proper divisors (1).

11668764403 is an equidigital number, since it uses as much as digits as its factorization.

11668764403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 11668764403 in words is "eleven billion, six hundred sixty-eight million, seven hundred sixty-four thousand, four hundred three".