115983138069 has 24 divisors (see below), whose sum is σ = 168111084960. Its totient is φ = 77054791968.

The previous prime is 115983138067. The next prime is 115983138077. The reversal of 115983138069 is 960831389511.

115983138069 is a `hidden beast` number, since 11 + 598 + 3 + 1 + 38 + 0 + 6 + 9 = 666.

It is not a de Polignac number, because 115983138069 - 2¹ = 115983138067 is a prime.

It is a super-2 number, since 2×115983138069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115983138067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4342534 + ... + 4369160.

It is an arithmetic number, because the mean of its divisors is an integer number (7004628540).

Almost surely, 2^115983138069 is an apocalyptic number.

It is an amenable number.

115983138069 is a deficient number, since it is larger than the sum of its proper divisors (52127946891).

115983138069 is a wasteful number, since it uses less digits than its factorization.

115983138069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28289 (or 28286 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 115983138069 in words is "one hundred fifteen billion, nine hundred eighty-three million, one hundred thirty-eight thousand, sixty-nine".