115040535165 has 24 divisors (see below), whose sum is σ = 199433159640. Its totient is φ = 61345855104.

The previous prime is 115040535119. The next prime is 115040535191. The reversal of 115040535165 is 561535040511.

115040535165 is a `hidden beast` number, since 1 + 1 + 50 + 40 + 53 + 516 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12801112164 + 102239423001 = 113142^2 + 319749^2 .

It is not a de Polignac number, because 115040535165 - 2¹² = 115040531069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123019 + ... + 495191.

It is an arithmetic number, because the mean of its divisors is an integer number (8309714985).

Almost surely, 2^115040535165 is an apocalyptic number.

115040535165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115040535165 is a deficient number, since it is larger than the sum of its proper divisors (84392624475).

115040535165 is a wasteful number, since it uses less digits than its factorization.

115040535165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379053 (or 379050 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 115040535165 its reverse (561535040511), we get a palindrome (676575575676).

The spelling of 115040535165 in words is "one hundred fifteen billion, forty million, five hundred thirty-five thousand, one hundred sixty-five".