36520534013 has 4 divisors (see below), whose sum is σ = 36622262880. Its totient is φ = 36418805148.

The previous prime is 36520534009. The next prime is 36520534027. The reversal of 36520534013 is 31043502563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31043502563 = 5081 ⋅6109723.

It is a cyclic number.

It is not a de Polignac number, because 36520534013 - 2² = 36520534009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36520524013) 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 3 ways as a sum of consecutive naturals, for example, 50863895 + ... + 50864612.

It is an arithmetic number, because the mean of its divisors is an integer number (9155565720).

Almost surely, 2^36520534013 is an apocalyptic number.

It is an amenable number.

36520534013 is a deficient number, since it is larger than the sum of its proper divisors (101728867).

36520534013 is a wasteful number, since it uses less digits than its factorization.

36520534013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101728866.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 36520534013 in words is "thirty-six billion, five hundred twenty million, five hundred thirty-four thousand, thirteen".