1005116534644 has 12 divisors (see below), whose sum is σ = 1759641851044. Its totient is φ = 502361720064.

The previous prime is 1005116534603. The next prime is 1005116534647. The reversal of 1005116534644 is 4464356115001.

It can be written as a sum of positive squares in 2 ways, for example, as 370844460900 + 634272073744 = 608970^2 + 796412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1005116534597 and 1005116534606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005116534647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49125309 + ... + 49145764.

Almost surely, 2^{1005116534644} is an apocalyptic number.

It is an amenable number.

1005116534644 is a deficient number, since it is larger than the sum of its proper divisors (754525316400).

1005116534644 is a wasteful number, since it uses less digits than its factorization.

1005116534644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98273634 (or 98273632 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1005116534644 in words is "one trillion, five billion, one hundred sixteen million, five hundred thirty-four thousand, six hundred forty-four".