105115664228 has 12 divisors (see below), whose sum is σ = 185640049980. Its totient is φ = 52075649952.

The previous prime is 105115664191. The next prime is 105115664267. The reversal of 105115664228 is 822466511501.

It can be written as a sum of positive squares in 2 ways, for example, as 81974561344 + 23141102884 = 286312^2 + 152122^2 .

It is a super-2 number, since 2×105115664228² (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, 120545051 + ... + 120545922.

It is an arithmetic number, because the mean of its divisors is an integer number (15470004165).

Almost surely, 2^105115664228 is an apocalyptic number.

It is an amenable number.

105115664228 is a deficient number, since it is larger than the sum of its proper divisors (80524385752).

105115664228 is a wasteful number, since it uses less digits than its factorization.

105115664228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241091086 (or 241091084 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 105115664228 in words is "one hundred five billion, one hundred fifteen million, six hundred sixty-four thousand, two hundred twenty-eight".