1138937695588 has 48 divisors (see below), whose sum is σ = 2505491872128. Its totient is φ = 443741944800.

The previous prime is 1138937695549. The next prime is 1138937695607. The reversal of 1138937695588 is 8855967398311.

It is a self number, because there is not a number n which added to its sum of digits gives 1138937695588.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15243103 + ... + 15317638.

It is an arithmetic number, because the mean of its divisors is an integer number (52197747336).

Almost surely, 2^{1138937695588} is an apocalyptic number.

It is an amenable number.

1138937695588 is an abundant number, since it is smaller than the sum of its proper divisors (1366554176540).

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

1138937695588 is a wasteful number, since it uses less digits than its factorization.

1138937695588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30560785 (or 30560761 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 73.

The spelling of 1138937695588 in words is "one trillion, one hundred thirty-eight billion, nine hundred thirty-seven million, six hundred ninety-five thousand, five hundred eighty-eight".