105366543539 has 2 divisors, whose sum is σ = 105366543540. Its totient is φ = 105366543538.

The previous prime is 105366543511. The next prime is 105366543649. The reversal of 105366543539 is 935345663501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105366543539 - 2²⁴ = 105349766323 is a prime.

It is a super-2 number, since 2×105366543539² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105366143539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52683271769 + 52683271770.

It is an arithmetic number, because the mean of its divisors is an integer number (52683271770).

Almost surely, 2^105366543539 is an apocalyptic number.

105366543539 is a deficient number, since it is larger than the sum of its proper divisors (1).

105366543539 is an equidigital number, since it uses as much as digits as its factorization.

105366543539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374000, while the sum is 50.

The spelling of 105366543539 in words is "one hundred five billion, three hundred sixty-six million, five hundred forty-three thousand, five hundred thirty-nine".