36135065986881 has 16 divisors (see below), whose sum is σ = 48958158716544. Its totient is φ = 23703879734784.

The previous prime is 36135065986853. The next prime is 36135065986907. The reversal of 36135065986881 is 18868956053163.

It is not a de Polignac number, because 36135065986881 - 2⁵ = 36135065986849 is a prime.

It is a super-2 number, since 2×36135065986881² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36135065986381) 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, 358838341 + ... + 358939026.

It is an arithmetic number, because the mean of its divisors is an integer number (3059884919784).

Almost surely, 2^{36135065986881} is an apocalyptic number.

It is an amenable number.

36135065986881 is a deficient number, since it is larger than the sum of its proper divisors (12823092729663).

36135065986881 is a wasteful number, since it uses less digits than its factorization.

36135065986881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717777640.

The product of its (nonzero) digits is 223948800, while the sum is 69.

The spelling of 36135065986881 in words is "thirty-six trillion, one hundred thirty-five billion, sixty-five million, nine hundred eighty-six thousand, eight hundred eighty-one".