105920204062447 has 2 divisors, whose sum is σ = 105920204062448. Its totient is φ = 105920204062446.

The previous prime is 105920204062433. The next prime is 105920204062481. The reversal of 105920204062447 is 744260402029501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105920204062447 is a prime.

It is a super-2 number, since 2×105920204062447² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105920204062397 and 105920204062406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105920204062747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52960102031223 + 52960102031224.

It is an arithmetic number, because the mean of its divisors is an integer number (52960102031224).

Almost surely, 2^{105920204062447} is an apocalyptic number.

105920204062447 is a deficient number, since it is larger than the sum of its proper divisors (1).

105920204062447 is an equidigital number, since it uses as much as digits as its factorization.

105920204062447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 105920204062447 in words is "one hundred five trillion, nine hundred twenty billion, two hundred four million, sixty-two thousand, four hundred forty-seven".