36518827801 has 3 divisors (see below), whose sum is σ = 36519018901. Its totient is φ = 36518636702.

The previous prime is 36518827769. The next prime is 36518827847. The reversal of 36518827801 is 10872881563.

The square root of 36518827801 is 191099.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 36518827801 - 2⁵ = 36518827769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36518827861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 95550 + ... + 286648.

Almost surely, 2^36518827801 is an apocalyptic number.

36518827801 is the 191099-th square number.

36518827801 is the 95550-th centered octagonal number.

It is an amenable number.

36518827801 is a deficient number, since it is larger than the sum of its proper divisors (191100).

36518827801 is an frugal number, since it uses more digits than its factorization.

36518827801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382198 (or 191099 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

Multiplying 36518827801 by its sum of digits (49), we get a square (1789422562249 = 1337693²).

The spelling of 36518827801 in words is "thirty-six billion, five hundred eighteen million, eight hundred twenty-seven thousand, eight hundred one".