1147838144838 has 192 divisors, whose sum is σ = 2951919210240. Its totient is φ = 294204960000.

The previous prime is 1147838144801. The next prime is 1147838144851. The reversal of 1147838144838 is 8384418387411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 88472520 + ... + 88485492.

It is an arithmetic number, because the mean of its divisors is an integer number (15374579220).

Almost surely, 2^{1147838144838} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147838144838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475959605120).

1147838144838 is an abundant number, since it is smaller than the sum of its proper divisors (1804081065402).

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

1147838144838 is a wasteful number, since it uses less digits than its factorization.

1147838144838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363 (or 13356 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 60.

The spelling of 1147838144838 in words is "one trillion, one hundred forty-seven billion, eight hundred thirty-eight million, one hundred forty-four thousand, eight hundred thirty-eight".