1165238534388 has 24 divisors (see below), whose sum is σ = 2720887666560. Its totient is φ = 388127451520.

The previous prime is 1165238534377. The next prime is 1165238534443. The reversal of 1165238534388 is 8834358325611.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35657148 + ... + 35689811.

It is an arithmetic number, because the mean of its divisors is an integer number (113370319440).

Almost surely, 2^{1165238534388} is an apocalyptic number.

It is an amenable number.

1165238534388 is an abundant number, since it is smaller than the sum of its proper divisors (1555649132172).

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

1165238534388 is a wasteful number, since it uses less digits than its factorization.

1165238534388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71348327 (or 71348325 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

The spelling of 1165238534388 in words is "one trillion, one hundred sixty-five billion, two hundred thirty-eight million, five hundred thirty-four thousand, three hundred eighty-eight".