105105553203 has 32 divisors (see below), whose sum is σ = 168344349696. Its totient is φ = 57029626368.

The previous prime is 105105553181. The next prime is 105105553253. The reversal of 105105553203 is 302355501501.

It is not a de Polignac number, because 105105553203 - 2⁸ = 105105552947 is a prime.

It is a super-2 number, since 2×105105553203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105105553253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728026 + ... + 860367.

It is an arithmetic number, because the mean of its divisors is an integer number (5260760928).

Almost surely, 2^105105553203 is an apocalyptic number.

105105553203 is a deficient number, since it is larger than the sum of its proper divisors (63238796493).

105105553203 is a wasteful number, since it uses less digits than its factorization.

105105553203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588563.

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 105105553203 in words is "one hundred five billion, one hundred five million, five hundred fifty-three thousand, two hundred three".