36223906910991 has 16 divisors (see below), whose sum is σ = 49922947043328. Its totient is φ = 23339143620000.

The previous prime is 36223906910987. The next prime is 36223906911007. The reversal of 36223906910991 is 19901960932263.

It is not a de Polignac number, because 36223906910991 - 2² = 36223906910987 is a prime.

It is a super-2 number, since 2×36223906910991² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36223906910591) 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 15 ways as a sum of consecutive naturals, for example, 259253976 + ... + 259393661.

It is an arithmetic number, because the mean of its divisors is an integer number (3120184190208).

Almost surely, 2^{36223906910991} is an apocalyptic number.

36223906910991 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

36223906910991 is a deficient number, since it is larger than the sum of its proper divisors (13699040132337).

36223906910991 is a wasteful number, since it uses less digits than its factorization.

36223906910991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518648422.

The product of its (nonzero) digits is 8503056, while the sum is 60.

The spelling of 36223906910991 in words is "thirty-six trillion, two hundred twenty-three billion, nine hundred six million, nine hundred ten thousand, nine hundred ninety-one".