105255804447 has 12 divisors (see below), whose sum is σ = 155270974560. Its totient is φ = 68677545888.

The previous prime is 105255804431. The next prime is 105255804457. The reversal of 105255804447 is 744408552501.

105255804447 is a `hidden beast` number, since 1 + 0 + 5 + 25 + 580 + 4 + 4 + 47 = 666.

It is not a de Polignac number, because 105255804447 - 2⁴ = 105255804431 is a prime.

It is a super-2 number, since 2×105255804447² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105255804457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124415422 + ... + 124416267.

It is an arithmetic number, because the mean of its divisors is an integer number (12939247880).

Almost surely, 2^105255804447 is an apocalyptic number.

105255804447 is a deficient number, since it is larger than the sum of its proper divisors (50015170113).

105255804447 is a wasteful number, since it uses less digits than its factorization.

105255804447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248831742 (or 248831739 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 105255804447 in words is "one hundred five billion, two hundred fifty-five million, eight hundred four thousand, four hundred forty-seven".