36223566261 has 4 divisors (see below), whose sum is σ = 48298088352. Its totient is φ = 24149044172.

The previous prime is 36223566209. The next prime is 36223566277. The reversal of 36223566261 is 16266532263.

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.

It is a cyclic number.

It is not a de Polignac number, because 36223566261 - 2¹³ = 36223558069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36223586261) 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, 6037261041 + ... + 6037261046.

It is an arithmetic number, because the mean of its divisors is an integer number (12074522088).

Almost surely, 2^36223566261 is an apocalyptic number.

It is an amenable number.

36223566261 is a deficient number, since it is larger than the sum of its proper divisors (12074522091).

36223566261 is a wasteful number, since it uses less digits than its factorization.

36223566261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12074522090.

The product of its digits is 466560, while the sum is 42.

The spelling of 36223566261 in words is "thirty-six billion, two hundred twenty-three million, five hundred sixty-six thousand, two hundred sixty-one".