36205868811819 has 16 divisors (see below), whose sum is σ = 56211807105792. Its totient is φ = 20298708120288.

The previous prime is 36205868811811. The next prime is 36205868811869. The reversal of 36205868811819 is 91811886850263.

It is not a de Polignac number, because 36205868811819 - 2³ = 36205868811811 is a prime.

It is a super-2 number, since 2×36205868811819² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36205868811819.

It is not an unprimeable number, because it can be changed into a prime (36205868811811) 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, 16264989369 + ... + 16264991594.

It is an arithmetic number, because the mean of its divisors is an integer number (3513237944112).

Almost surely, 2^{36205868811819} is an apocalyptic number.

36205868811819 is a deficient number, since it is larger than the sum of its proper divisors (20005938293973).

36205868811819 is a wasteful number, since it uses less digits than its factorization.

36205868811819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32529981026.

The product of its (nonzero) digits is 39813120, while the sum is 66.

The spelling of 36205868811819 in words is "thirty-six trillion, two hundred five billion, eight hundred sixty-eight million, eight hundred eleven thousand, eight hundred nineteen".