1138793179368 has 128 divisors (see below), whose sum is σ = 3075332198400. Its totient is φ = 349330579200.

The previous prime is 1138793179331. The next prime is 1138793179379. The reversal of 1138793179368 is 8639713978311.

It is a junction number, because it is equal to n+sod(n) for n = 1138793179299 and 1138793179308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248046753 + ... + 248051343.

It is an arithmetic number, because the mean of its divisors is an integer number (24026032800).

Almost surely, 2^{1138793179368} 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 1138793179368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537666099200).

1138793179368 is an abundant number, since it is smaller than the sum of its proper divisors (1936539019032).

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

1138793179368 is a wasteful number, since it uses less digits than its factorization.

1138793179368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863 (or 6859 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 66.

The spelling of 1138793179368 in words is "one trillion, one hundred thirty-eight billion, seven hundred ninety-three million, one hundred seventy-nine thousand, three hundred sixty-eight".