105111284886447 has 64 divisors (see below), whose sum is σ = 161705073868800. Its totient is φ = 59490846938880.

The previous prime is 105111284886437. The next prime is 105111284886511. The reversal of 105111284886447 is 744688482111501.

It is not a de Polignac number, because 105111284886447 - 2⁴ = 105111284886431 is a prime.

It is a super-2 number, since 2×105111284886447² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105111284886437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1703914638 + ... + 1703976324.

It is an arithmetic number, because the mean of its divisors is an integer number (2526641779200).

Almost surely, 2^{105111284886447} is an apocalyptic number.

105111284886447 is a deficient number, since it is larger than the sum of its proper divisors (56593788982353).

105111284886447 is a wasteful number, since it uses less digits than its factorization.

105111284886447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63756.

The product of its (nonzero) digits is 13762560, while the sum is 60.

The spelling of 105111284886447 in words is "one hundred five trillion, one hundred eleven billion, two hundred eighty-four million, eight hundred eighty-six thousand, four hundred forty-seven".