11603645779 has 6 divisors (see below), whose sum is σ = 12754420700. Its totient is φ = 10548768780.

The previous prime is 11603645717. The next prime is 11603645821. The reversal of 11603645779 is 97754630611.

11603645779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11603645779 - 2²³ = 11595257171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11603640779) 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 in 5 ways as a sum of consecutive naturals, for example, 47948829 + ... + 47949070.

Almost surely, 2^11603645779 is an apocalyptic number.

11603645779 is a deficient number, since it is larger than the sum of its proper divisors (1150774921).

11603645779 is an equidigital number, since it uses as much as digits as its factorization.

11603645779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95897921 (or 95897910 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 11603645779 in words is "eleven billion, six hundred three million, six hundred forty-five thousand, seven hundred seventy-nine".