11678122836 has 240 divisors, whose sum is σ = 33210260160. Its totient is φ = 3566384640.

The previous prime is 11678122823. The next prime is 11678122877. The reversal of 11678122836 is 63822187611.

It is a junction number, because it is equal to n+sod(n) for n = 11678122791 and 11678122800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 41559016 + ... + 41559296.

It is an arithmetic number, because the mean of its divisors is an integer number (138376084).

Almost surely, 2^11678122836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11678122836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16605130080).

11678122836 is an abundant number, since it is smaller than the sum of its proper divisors (21532137324).

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

11678122836 is a wasteful number, since it uses less digits than its factorization.

11678122836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 505 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 11678122836 in words is "eleven billion, six hundred seventy-eight million, one hundred twenty-two thousand, eight hundred thirty-six".