36361645521 has 8 divisors (see below), whose sum is σ = 48526636704. Its totient is φ = 24218875680.

The previous prime is 36361645519. The next prime is 36361645531. The reversal of 36361645521 is 12554616363.

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

It is not a de Polignac number, because 36361645521 - 2¹ = 36361645519 is a prime.

It is a super-2 number, since 2×36361645521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36361645511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551516 + ... + 5558061.

It is an arithmetic number, because the mean of its divisors is an integer number (6065829588).

Almost surely, 2^36361645521 is an apocalyptic number.

It is an amenable number.

36361645521 is a deficient number, since it is larger than the sum of its proper divisors (12164991183).

36361645521 is a wasteful number, since it uses less digits than its factorization.

36361645521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110671.

The product of its digits is 388800, while the sum is 42.

The spelling of 36361645521 in words is "thirty-six billion, three hundred sixty-one million, six hundred forty-five thousand, five hundred twenty-one".