36115643 has 8 divisors (see below), whose sum is σ = 37434000. Its totient is φ = 34802208.

The previous prime is 36115621. The next prime is 36115649. The reversal of 36115643 is 34651163.

It is a happy number.

36115643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36115643 - 2⁶ = 36115579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36115649) by changing a digit.

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, 20408 + ... + 22106.

It is an arithmetic number, because the mean of its divisors is an integer number (4679250).

Almost surely, 2^36115643 is an apocalyptic number.

36115643 is a deficient number, since it is larger than the sum of its proper divisors (1318357).

36115643 is a wasteful number, since it uses less digits than its factorization.

36115643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its digits is 6480, while the sum is 29.

The square root of 36115643 is about 6009.6291898918. The cubic root of 36115643 is about 330.5459069576.

The spelling of 36115643 in words is "thirty-six million, one hundred fifteen thousand, six hundred forty-three".