115120162065 has 16 divisors (see below), whose sum is σ = 190133945856. Its totient is φ = 59416857600.

The previous prime is 115120162057. The next prime is 115120162111. The reversal of 115120162065 is 560261021511.

It is not a de Polignac number, because 115120162065 - 2³ = 115120162057 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 123784656 + ... + 123785585.

It is an arithmetic number, because the mean of its divisors is an integer number (11883371616).

Almost surely, 2^115120162065 is an apocalyptic number.

115120162065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115120162065 is a deficient number, since it is larger than the sum of its proper divisors (75013783791).

115120162065 is a wasteful number, since it uses less digits than its factorization.

115120162065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247570280.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 115120162065 its reverse (560261021511), we get a palindrome (675381183576).

The spelling of 115120162065 in words is "one hundred fifteen billion, one hundred twenty million, one hundred sixty-two thousand, sixty-five".