11778906279 has 16 divisors (see below), whose sum is σ = 18366225152. Its totient is φ = 6574272768.

The previous prime is 11778906197. The next prime is 11778906281. The reversal of 11778906279 is 97260987711.

It is not a de Polignac number, because 11778906279 - 2²⁷ = 11644688551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11778906299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6521194 + ... + 6522999.

It is an arithmetic number, because the mean of its divisors is an integer number (1147889072).

Almost surely, 2^11778906279 is an apocalyptic number.

11778906279 is a deficient number, since it is larger than the sum of its proper divisors (6587318873).

11778906279 is a wasteful number, since it uses less digits than its factorization.

11778906279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044246.

The product of its (nonzero) digits is 2667168, while the sum is 57.

The spelling of 11778906279 in words is "eleven billion, seven hundred seventy-eight million, nine hundred six thousand, two hundred seventy-nine".