1389803111424 has 1232 divisors, whose sum is σ = 5262296592000. Its totient is φ = 356884807680.

The previous prime is 1389803111393. The next prime is 1389803111429. The reversal of 1389803111424 is 4241113089831.

1389803111424 is a `hidden beast` number, since 1 + 38 + 9 + 80 + 3 + 111 + 424 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1389803111424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389803111429) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2785176327 + ... + 2785176825.

Almost surely, 2^{1389803111424} is an apocalyptic number.

1389803111424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389803111424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2631148296000).

1389803111424 is an abundant number, since it is smaller than the sum of its proper divisors (3872493480576).

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

1389803111424 is an equidigital number, since it uses as much as digits as its factorization.

1389803111424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1389803111424 in words is "one trillion, three hundred eighty-nine billion, eight hundred three million, one hundred eleven thousand, four hundred twenty-four".