105444025538 has 8 divisors (see below), whose sum is σ = 160332696588. Its totient is φ = 51999793344.

The previous prime is 105444025523. The next prime is 105444025543. The reversal of 105444025538 is 835520444501.

It can be written as a sum of positive squares in 2 ways, for example, as 104922222889 + 521802649 = 323917^2 + 22843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105444025538² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105444025495 and 105444025504.

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, 361109531 + ... + 361109822.

Almost surely, 2^105444025538 is an apocalyptic number.

105444025538 is a deficient number, since it is larger than the sum of its proper divisors (54888671050).

105444025538 is an equidigital number, since it uses as much as digits as its factorization.

105444025538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722219428.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 105444025538 in words is "one hundred five billion, four hundred forty-four million, twenty-five thousand, five hundred thirty-eight".