105645450014519 has 2 divisors, whose sum is σ = 105645450014520. Its totient is φ = 105645450014518.

The previous prime is 105645450014509. The next prime is 105645450014563. The reversal of 105645450014519 is 915410054546501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105645450014519 - 2²⁴ = 105645433237303 is a prime.

It is a super-2 number, since 2×105645450014519² (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 (105645450014509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52822725007259 + 52822725007260.

It is an arithmetic number, because the mean of its divisors is an integer number (52822725007260).

Almost surely, 2^{105645450014519} is an apocalyptic number.

105645450014519 is a deficient number, since it is larger than the sum of its proper divisors (1).

105645450014519 is an equidigital number, since it uses as much as digits as its factorization.

105645450014519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 105645450014519 in words is "one hundred five trillion, six hundred forty-five billion, four hundred fifty million, fourteen thousand, five hundred nineteen".