1138308568848 has 200 divisors, whose sum is σ = 3595054785696. Its totient is φ = 344850739200.

The previous prime is 1138308568783. The next prime is 1138308568879. The reversal of 1138308568848 is 8488658038311.

1138308568848 is a `hidden beast` number, since 1 + 1 + 38 + 30 + 8 + 568 + 8 + 4 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70288240 + ... + 70304432.

Almost surely, 2^{1138308568848} is an apocalyptic number.

1138308568848 is a gapful number since it is divisible by the number (18) 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 1138308568848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797527392848).

1138308568848 is an abundant number, since it is smaller than the sum of its proper divisors (2456746216848).

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

1138308568848 is a wasteful number, since it uses less digits than its factorization.

1138308568848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21155 (or 21140 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 63.

The spelling of 1138308568848 in words is "one trillion, one hundred thirty-eight billion, three hundred eight million, five hundred sixty-eight thousand, eight hundred forty-eight".