105548313919 has 2 divisors, whose sum is σ = 105548313920. Its totient is φ = 105548313918.

The previous prime is 105548313901. The next prime is 105548313971. The reversal of 105548313919 is 919313845501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105548313919 - 2⁵ = 105548313887 is a prime.

It is a super-2 number, since 2×105548313919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105548313419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52774156959 + 52774156960.

It is an arithmetic number, because the mean of its divisors is an integer number (52774156960).

Almost surely, 2^105548313919 is an apocalyptic number.

105548313919 is a deficient number, since it is larger than the sum of its proper divisors (1).

105548313919 is an equidigital number, since it uses as much as digits as its factorization.

105548313919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 105548313919 in words is "one hundred five billion, five hundred forty-eight million, three hundred thirteen thousand, nine hundred nineteen".