105203512855 has 32 divisors (see below), whose sum is σ = 148984455168. Its totient is φ = 69788476800.

The previous prime is 105203512823. The next prime is 105203512879. The reversal of 105203512855 is 558215302501.

It is not a de Polignac number, because 105203512855 - 2⁵ = 105203512823 is a prime.

It is a super-2 number, since 2×105203512855² (a number of 23 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 3479734 + ... + 3509836.

It is an arithmetic number, because the mean of its divisors is an integer number (4655764224).

Almost surely, 2^105203512855 is an apocalyptic number.

105203512855 is a deficient number, since it is larger than the sum of its proper divisors (43780942313).

105203512855 is a wasteful number, since it uses less digits than its factorization.

105203512855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33367.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 105203512855 in words is "one hundred five billion, two hundred three million, five hundred twelve thousand, eight hundred fifty-five".