1081113538338 has 12 divisors (see below), whose sum is σ = 2342412666438. Its totient is φ = 360371179440.

The previous prime is 1081113538333. The next prime is 1081113538363. The reversal of 1081113538338 is 8338353111801.

1081113538338 is a `hidden beast` number, since 1 + 0 + 81 + 1 + 1 + 3 + 538 + 3 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 652019105529 + 429094432809 = 807477^2 + 655053^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1081113538293 and 1081113538302.

It is not an unprimeable number, because it can be changed into a prime (1081113538331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30030931603 + ... + 30030931638.

Almost surely, 2^{1081113538338} is an apocalyptic number.

1081113538338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1081113538338 is an abundant number, since it is smaller than the sum of its proper divisors (1261299128100).

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

1081113538338 is a wasteful number, since it uses less digits than its factorization.

1081113538338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60061863249 (or 60061863246 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 1081113538338 in words is "one trillion, eighty-one billion, one hundred thirteen million, five hundred thirty-eight thousand, three hundred thirty-eight".