10521552191 has 2 divisors, whose sum is σ = 10521552192. Its totient is φ = 10521552190.

The previous prime is 10521552169. The next prime is 10521552299. The reversal of 10521552191 is 19125512501.

10521552191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19125512501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10521552191 - 2¹⁰ = 10521551167 is a prime.

It is a super-2 number, since 2×10521552191² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10521552491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260776095 + 5260776096.

It is an arithmetic number, because the mean of its divisors is an integer number (5260776096).

Almost surely, 2^10521552191 is an apocalyptic number.

10521552191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521552191 is an equidigital number, since it uses as much as digits as its factorization.

10521552191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 10521552191 in words is "ten billion, five hundred twenty-one million, five hundred fifty-two thousand, one hundred ninety-one".