1001050561044 has 72 divisors (see below), whose sum is σ = 2549181529440. Its totient is φ = 331217485632.

The previous prime is 1001050561001. The next prime is 1001050561061. The reversal of 1001050561044 is 4401650501001.

1001050561044 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 0 + 5 + 0 + 5 + 610 + 44 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1001050560999 and 1001050561017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3725299 + ... + 3984965.

It is an arithmetic number, because the mean of its divisors is an integer number (35405299020).

Almost surely, 2^{1001050561044} is an apocalyptic number.

It is an amenable number.

1001050561044 is an abundant number, since it is smaller than the sum of its proper divisors (1548130968396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001050561044 is a wasteful number, since it uses less digits than its factorization.

1001050561044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260469 (or 260464 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 1001050561044 in words is "one trillion, one billion, fifty million, five hundred sixty-one thousand, forty-four".