36112561 has 8 divisors (see below), whose sum is σ = 37154304. Its totient is φ = 35080080.

The previous prime is 36112537. The next prime is 36112603. The reversal of 36112561 is 16521163.

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 36112561 - 2⁵ = 36112529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36112261) 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, 6015 + ... + 10411.

It is an arithmetic number, because the mean of its divisors is an integer number (4644288).

Almost surely, 2^36112561 is an apocalyptic number.

It is an amenable number.

36112561 is a deficient number, since it is larger than the sum of its proper divisors (1041743).

36112561 is a wasteful number, since it uses less digits than its factorization.

36112561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its digits is 1080, while the sum is 25.

The square root of 36112561 is about 6009.3727626101. The cubic root of 36112561 is about 330.5365040934.

The spelling of 36112561 in words is "thirty-six million, one hundred twelve thousand, five hundred sixty-one".