115161765 has 16 divisors (see below), whose sum is σ = 184680000. Its totient is φ = 61279232.

The previous prime is 115161763. The next prime is 115161773. The reversal of 115161765 is 567161511.

It is a cyclic number.

It is not a de Polignac number, because 115161765 - 2¹ = 115161763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115161763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1815 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (11542500).

Almost surely, 2^115161765 is an apocalyptic number.

115161765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115161765 is a deficient number, since it is larger than the sum of its proper divisors (69518235).

115161765 is a wasteful number, since it uses less digits than its factorization.

115161765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556.

The product of its digits is 6300, while the sum is 33.

The square root of 115161765 is about 10731.3449762833. The cubic root of 115161765 is about 486.5223219778.

The spelling of 115161765 in words is "one hundred fifteen million, one hundred sixty-one thousand, seven hundred sixty-five".