105215224552 has 16 divisors (see below), whose sum is σ = 208883166660. Its totient is φ = 49513046784.

The previous prime is 105215224511. The next prime is 105215224561. The reversal of 105215224552 is 255422512501.

It can be written as a sum of positive squares in 2 ways, for example, as 104803702756 + 411521796 = 323734^2 + 20286^2 .

It is a super-2 number, since 2×105215224552² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 386820543 + ... + 386820814.

Almost surely, 2^105215224552 is an apocalyptic number.

It is an amenable number.

105215224552 is a deficient number, since it is larger than the sum of its proper divisors (103667942108).

105215224552 is a wasteful number, since it uses less digits than its factorization.

105215224552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773641380 (or 773641376 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

It can be divided in two parts, 1052 and 15224552, that added together give a square (15225604 = 3902²).

The spelling of 105215224552 in words is "one hundred five billion, two hundred fifteen million, two hundred twenty-four thousand, five hundred fifty-two".