36105165231821 has 8 divisors (see below), whose sum is σ = 42685909633920. Its totient is φ = 29880136743408.

The previous prime is 36105165231761. The next prime is 36105165231853. The reversal of 36105165231821 is 12813256150163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36105165231821 - 2¹⁸ = 36105164969677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36105165236821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88928978201 + ... + 88928978606.

It is an arithmetic number, because the mean of its divisors is an integer number (5335738704240).

Almost surely, 2^{36105165231821} is an apocalyptic number.

It is an amenable number.

36105165231821 is a deficient number, since it is larger than the sum of its proper divisors (6580744402099).

36105165231821 is a wasteful number, since it uses less digits than its factorization.

36105165231821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177857956843.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 36105165231821 in words is "thirty-six trillion, one hundred five billion, one hundred sixty-five million, two hundred thirty-one thousand, eight hundred twenty-one".