105543242253 has 48 divisors (see below), whose sum is σ = 164105061120. Its totient is φ = 65154803328.

The previous prime is 105543242251. The next prime is 105543242281. The reversal of 105543242253 is 352242345501.

105543242253 is a `hidden beast` number, since 1 + 0 + 554 + 32 + 4 + 22 + 53 = 666.

It is not a de Polignac number, because 105543242253 - 2¹ = 105543242251 is a prime.

It is a super-2 number, since 2×105543242253² (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 (105543242251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6397251 + ... + 6413727.

It is an arithmetic number, because the mean of its divisors is an integer number (3418855440).

Almost surely, 2^105543242253 is an apocalyptic number.

It is an amenable number.

105543242253 is a deficient number, since it is larger than the sum of its proper divisors (58561818867).

105543242253 is a wasteful number, since it uses less digits than its factorization.

105543242253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17346 (or 17343 counting only the distinct ones).

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

Adding to 105543242253 its reverse (352242345501), we get a palindrome (457785587754).

The spelling of 105543242253 in words is "one hundred five billion, five hundred forty-three million, two hundred forty-two thousand, two hundred fifty-three".