115065890 has 16 divisors (see below), whose sum is σ = 207266040. Its totient is φ = 45993600.

The previous prime is 115065887. The next prime is 115065901. The reversal of 115065890 is 98560511.

It can be written as a sum of positive squares in 4 ways, for example, as 29669809 + 85396081 = 5447^2 + 9241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115065890.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14816 + ... + 21204.

Almost surely, 2^115065890 is an apocalyptic number.

115065890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115065890 is a deficient number, since it is larger than the sum of its proper divisors (92200150).

115065890 is a wasteful number, since it uses less digits than its factorization.

115065890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8197.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 115065890 is about 10726.8769919301. The cubic root of 115065890 is about 486.3872705624.

The spelling of 115065890 in words is "one hundred fifteen million, sixty-five thousand, eight hundred ninety".