1001050561005 has 64 divisors (see below), whose sum is σ = 1831899801600. Its totient is φ = 462054700800.

The previous prime is 1001050561001. The next prime is 1001050561061. The reversal of 1001050561005 is 5001650501001.

It is not a de Polignac number, because 1001050561005 - 2² = 1001050561001 is a prime.

It is a super-2 number, since 2×1001050561005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001050561001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175671 + ... + 1425819.

It is an arithmetic number, because the mean of its divisors is an integer number (28623434400).

Almost surely, 2^{1001050561005} is an apocalyptic number.

1001050561005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001050561005 is a deficient number, since it is larger than the sum of its proper divisors (830849240595).

1001050561005 is a wasteful number, since it uses less digits than its factorization.

1001050561005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250402.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 1001050561005 in words is "one trillion, one billion, fifty million, five hundred sixty-one thousand, five".