36561050237513 has 4 divisors (see below), whose sum is σ = 36561062850048. Its totient is φ = 36561037624980.

The previous prime is 36561050237501. The next prime is 36561050237533. The reversal of 36561050237513 is 31573205016563.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36561050237513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36561050237533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466520 + ... + 8563862.

It is an arithmetic number, because the mean of its divisors is an integer number (9140265712512).

Almost surely, 2^{36561050237513} is an apocalyptic number.

It is an amenable number.

36561050237513 is a deficient number, since it is larger than the sum of its proper divisors (12612535).

36561050237513 is an equidigital number, since it uses as much as digits as its factorization.

36561050237513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612534.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 36561050237513 in words is "thirty-six trillion, five hundred sixty-one billion, fifty million, two hundred thirty-seven thousand, five hundred thirteen".