11672778894 has 16 divisors (see below), whose sum is σ = 26680637568. Its totient is φ = 3335079672.

The previous prime is 11672778889. The next prime is 11672778911. The reversal of 11672778894 is 49887727611.

11672778894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 138961612 + ... + 138961695.

It is an arithmetic number, because the mean of its divisors is an integer number (1667539848).

Almost surely, 2^11672778894 is an apocalyptic number.

11672778894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11672778894 is an abundant number, since it is smaller than the sum of its proper divisors (15007858674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11672778894 is a wasteful number, since it uses less digits than its factorization.

11672778894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277923319.

The product of its digits is 9483264, while the sum is 60.

The spelling of 11672778894 in words is "eleven billion, six hundred seventy-two million, seven hundred seventy-eight thousand, eight hundred ninety-four".