1138535438033 has 16 divisors (see below), whose sum is σ = 1302157710720. Its totient is φ = 975157028736.

The previous prime is 1138535437969. The next prime is 1138535438041. The reversal of 1138535438033 is 3308345358311.

It is a cyclic number.

It is not a de Polignac number, because 1138535438033 - 2⁶ = 1138535437969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138535434033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71494610 + ... + 71510532.

It is an arithmetic number, because the mean of its divisors is an integer number (81384856920).

Almost surely, 2^{1138535438033} is an apocalyptic number.

It is an amenable number.

1138535438033 is a deficient number, since it is larger than the sum of its proper divisors (163622272687).

1138535438033 is a wasteful number, since it uses less digits than its factorization.

1138535438033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22936.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 1138535438033 in words is "one trillion, one hundred thirty-eight billion, five hundred thirty-five million, four hundred thirty-eight thousand, thirty-three".