36000108000081 has 9 divisors (see below), whose sum is σ = 52000182000169. Its totient is φ = 24000060000036.

The previous prime is 36000108000029. The next prime is 36000108000083. The reversal of 36000108000081 is 18000080100063.

The square root of 36000108000081 is 6000009.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 36000108000081 - 2³⁷ = 35862669046609 is a prime.

It is a super-2 number, since 2×36000108000081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36000108000083) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17000026 + ... + 19000028.

Almost surely, 2^{36000108000081} is an apocalyptic number.

36000108000081 is the 6000009-th square number.

36000108000081 is the 3000005-th centered octagonal number.

It is an amenable number.

36000108000081 is a deficient number, since it is larger than the sum of its proper divisors (16000074000088).

36000108000081 is an frugal number, since it uses more digits than its factorization.

36000108000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000012 (or 2000006 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 36000108000081 in words is "thirty-six trillion, one hundred eight million, eighty-one", and thus it is an aban number.