105542169659 has 2 divisors, whose sum is σ = 105542169660. Its totient is φ = 105542169658.

The previous prime is 105542169653. The next prime is 105542169721. The reversal of 105542169659 is 956961245501.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (956961245501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105542169659 - 2⁴ = 105542169643 is a prime.

It is a super-2 number, since 2×105542169659² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105542169659.

It is not a weakly prime, because it can be changed into another prime (105542169653) 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 as a sum of consecutive naturals, namely, 52771084829 + 52771084830.

It is an arithmetic number, because the mean of its divisors is an integer number (52771084830).

Almost surely, 2^105542169659 is an apocalyptic number.

105542169659 is a deficient number, since it is larger than the sum of its proper divisors (1).

105542169659 is an equidigital number, since it uses as much as digits as its factorization.

105542169659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 105542169659 in words is "one hundred five billion, five hundred forty-two million, one hundred sixty-nine thousand, six hundred fifty-nine".