105204405256 has 16 divisors (see below), whose sum is σ = 197262703440. Its totient is φ = 52601017680.

The previous prime is 105204405227. The next prime is 105204405281. The reversal of 105204405256 is 652504402501.

It is a super-2 number, since 2×105204405256² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314035 + ... + 555901.

It is an arithmetic number, because the mean of its divisors is an integer number (12328918965).

Almost surely, 2^105204405256 is an apocalyptic number.

It is an amenable number.

105204405256 is a deficient number, since it is larger than the sum of its proper divisors (92058298184).

105204405256 is a wasteful number, since it uses less digits than its factorization.

105204405256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296244 (or 296240 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 105204405256 its reverse (652504402501), we get a palindrome (757708807757).

The spelling of 105204405256 in words is "one hundred five billion, two hundred four million, four hundred five thousand, two hundred fifty-six".