1138982264508 has 48 divisors (see below), whose sum is σ = 2899329801984. Its totient is φ = 345133971840.

The previous prime is 1138982264507. The next prime is 1138982264561. The reversal of 1138982264508 is 8054622898311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138982264507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4042441 + ... + 4315007.

It is an arithmetic number, because the mean of its divisors is an integer number (60402704208).

Almost surely, 2^{1138982264508} is an apocalyptic number.

It is an amenable number.

1138982264508 is an abundant number, since it is smaller than the sum of its proper divisors (1760347537476).

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

1138982264508 is a wasteful number, since it uses less digits than its factorization.

1138982264508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304242 (or 304240 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 1138982264508 in words is "one trillion, one hundred thirty-eight billion, nine hundred eighty-two million, two hundred sixty-four thousand, five hundred eight".