36818500081 has 16 divisors (see below), whose sum is σ = 41607917568. Its totient is φ = 32277099600.

The previous prime is 36818500051. The next prime is 36818500087. The reversal of 36818500081 is 18000581863.

36818500081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 36818500081 - 2⁹ = 36818499569 is a prime.

It is a super-2 number, since 2×36818500081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36818500087) 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, 94261 + ... + 287266.

It is an arithmetic number, because the mean of its divisors is an integer number (2600494848).

Almost surely, 2^36818500081 is an apocalyptic number.

36818500081 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36818500081 is a deficient number, since it is larger than the sum of its proper divisors (4789417487).

36818500081 is a wasteful number, since it uses less digits than its factorization.

36818500081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381852.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 36818500081 in words is "thirty-six billion, eight hundred eighteen million, five hundred thousand, eighty-one".