105721244732359 has 2 divisors, whose sum is σ = 105721244732360. Its totient is φ = 105721244732358.

The previous prime is 105721244732351. The next prime is 105721244732387. The reversal of 105721244732359 is 953237442127501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105721244732359 - 2³ = 105721244732351 is a prime.

It is a super-2 number, since 2×105721244732359² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105721244732351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52860622366179 + 52860622366180.

It is an arithmetic number, because the mean of its divisors is an integer number (52860622366180).

Almost surely, 2^{105721244732359} is an apocalyptic number.

105721244732359 is a deficient number, since it is larger than the sum of its proper divisors (1).

105721244732359 is an equidigital number, since it uses as much as digits as its factorization.

105721244732359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 105721244732359 in words is "one hundred five trillion, seven hundred twenty-one billion, two hundred forty-four million, seven hundred thirty-two thousand, three hundred fifty-nine".