8220044155191 has 8 divisors (see below), whose sum is σ = 11956427862144. Its totient is φ = 4981844942520.

The previous prime is 8220044155187. The next prime is 8220044155201. The reversal of 8220044155191 is 1915514400228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8220044155191 - 2² = 8220044155187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220044155391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124546123531 + ... + 124546123596.

It is an arithmetic number, because the mean of its divisors is an integer number (1494553482768).

Almost surely, 2^{8220044155191} is an apocalyptic number.

8220044155191 is a deficient number, since it is larger than the sum of its proper divisors (3736383706953).

8220044155191 is a wasteful number, since it uses less digits than its factorization.

8220044155191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249092247141.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 8220044155191 in words is "eight trillion, two hundred twenty billion, forty-four million, one hundred fifty-five thousand, one hundred ninety-one".