36561012115 has 8 divisors (see below), whose sum is σ = 43874304480. Its totient is φ = 29248083072.

The previous prime is 36561012113. The next prime is 36561012151. The reversal of 36561012115 is 51121016563.

It is a happy number.

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 36561012115 - 2¹ = 36561012113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36561012113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240322 + ... + 361768.

It is an arithmetic number, because the mean of its divisors is an integer number (5484288060).

Almost surely, 2^36561012115 is an apocalyptic number.

36561012115 is a deficient number, since it is larger than the sum of its proper divisors (7313292365).

36561012115 is a wasteful number, since it uses less digits than its factorization.

36561012115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181661.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 36561012115 its reverse (51121016563), we get a palindrome (87682028678).

The spelling of 36561012115 in words is "thirty-six billion, five hundred sixty-one million, twelve thousand, one hundred fifteen".