105603956255 has 16 divisors (see below), whose sum is σ = 144843737664. Its totient is φ = 72406414080.

The previous prime is 105603956207. The next prime is 105603956317. The reversal of 105603956255 is 552659306501.

It is not a de Polignac number, because 105603956255 - 2³⁴ = 88424087071 is a prime.

It is a super-2 number, since 2×105603956255² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181979 + ... + 494291.

It is an arithmetic number, because the mean of its divisors is an integer number (9052733604).

Almost surely, 2^105603956255 is an apocalyptic number.

105603956255 is a deficient number, since it is larger than the sum of its proper divisors (39239781409).

105603956255 is an equidigital number, since it uses as much as digits as its factorization.

105603956255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321986.

The product of its (nonzero) digits is 1215000, while the sum is 47.

The spelling of 105603956255 in words is "one hundred five billion, six hundred three million, nine hundred fifty-six thousand, two hundred fifty-five".