115641075 has 24 divisors (see below), whose sum is σ = 208575936. Its totient is φ = 56068000.

The previous prime is 115641073. The next prime is 115641077. The reversal of 115641075 is 570146511.

It is an interprime number because it is at equal distance from previous prime (115641073) and next prime (115641077).

It is not a de Polignac number, because 115641075 - 2¹ = 115641073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115641073) 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, 69261 + ... + 70910.

It is an arithmetic number, because the mean of its divisors is an integer number (8690664).

Almost surely, 2^115641075 is an apocalyptic number.

115641075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115641075 is a deficient number, since it is larger than the sum of its proper divisors (92934861).

115641075 is a wasteful number, since it uses less digits than its factorization.

115641075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140195 (or 140190 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 115641075 is about 10753.6540301425. The cubic root of 115641075 is about 487.1963658220.

Adding to 115641075 its reverse (570146511), we get a palindrome (685787586).

The spelling of 115641075 in words is "one hundred fifteen million, six hundred forty-one thousand, seventy-five".