52100812191 has 16 divisors (see below), whose sum is σ = 71721878528. Its totient is φ = 33607224000.

The previous prime is 52100812189. The next prime is 52100812213. The reversal of 52100812191 is 19121800125.

It is not a de Polignac number, because 52100812191 - 2¹ = 52100812189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52100802191) 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, 484716 + ... + 582366.

It is an arithmetic number, because the mean of its divisors is an integer number (4482617408).

Almost surely, 2^52100812191 is an apocalyptic number.

52100812191 is a deficient number, since it is larger than the sum of its proper divisors (19621066337).

52100812191 is a wasteful number, since it uses less digits than its factorization.

52100812191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103422.

The product of its (nonzero) digits is 1440, while the sum is 30.

The spelling of 52100812191 in words is "fifty-two billion, one hundred million, eight hundred twelve thousand, one hundred ninety-one".