105354443025 has 36 divisors (see below), whose sum is σ = 203217020188. Its totient is φ = 51866801280.

The previous prime is 105354442979. The next prime is 105354443027. The reversal of 105354443025 is 520344453501.

105354443025 is a `hidden beast` number, since 1 + 0 + 53 + 544 + 43 + 0 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 13903239744 + 91451203281 = 117912^2 + 302409^2 .

It is not a de Polignac number, because 105354443025 - 2⁸ = 105354442769 is a prime.

It is a super-2 number, since 2×105354443025² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105354443027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18006382 + ... + 18012231.

Almost surely, 2^105354443025 is an apocalyptic number.

105354443025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105354443025 is a deficient number, since it is larger than the sum of its proper divisors (97862577163).

105354443025 is a wasteful number, since it uses less digits than its factorization.

105354443025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36018642 (or 36018634 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 105354443025 its reverse (520344453501), we get a palindrome (625698896526).

The spelling of 105354443025 in words is "one hundred five billion, three hundred fifty-four million, four hundred forty-three thousand, twenty-five".