105540050514439 has 2 divisors, whose sum is σ = 105540050514440. Its totient is φ = 105540050514438.

The previous prime is 105540050514389. The next prime is 105540050514491. The reversal of 105540050514439 is 934415050045501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105540050514439 is a prime.

It is a super-2 number, since 2×105540050514439² (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 (105540050515439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52770025257219 + 52770025257220.

It is an arithmetic number, because the mean of its divisors is an integer number (52770025257220).

Almost surely, 2^{105540050514439} is an apocalyptic number.

105540050514439 is a deficient number, since it is larger than the sum of its proper divisors (1).

105540050514439 is an equidigital number, since it uses as much as digits as its factorization.

105540050514439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 105540050514439 in words is "one hundred five trillion, five hundred forty billion, fifty million, five hundred fourteen thousand, four hundred thirty-nine".