36132655581 has 16 divisors (see below), whose sum is σ = 58396211520. Its totient is φ = 21898578960.

The previous prime is 36132655561. The next prime is 36132655591. The reversal of 36132655581 is 18555623163.

36132655581 is a `hidden beast` number, since 3 + 6 + 1 + 3 + 2 + 65 + 5 + 581 = 666.

36132655581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36132655581 - 2⁷ = 36132655453 is a prime.

It is a super-2 number, since 2×36132655581² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36132655541) 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, 60829090 + ... + 60829683.

It is an arithmetic number, because the mean of its divisors is an integer number (3649763220).

Almost surely, 2^36132655581 is an apocalyptic number.

It is an amenable number.

36132655581 is a deficient number, since it is larger than the sum of its proper divisors (22263555939).

36132655581 is a wasteful number, since it uses less digits than its factorization.

36132655581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121658793 (or 121658787 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 36132655581 in words is "thirty-six billion, one hundred thirty-two million, six hundred fifty-five thousand, five hundred eighty-one".