1005551001060 has 24 divisors (see below), whose sum is σ = 2815542803136. Its totient is φ = 268146933600.

The previous prime is 1005551001047. The next prime is 1005551001061. The reversal of 1005551001060 is 601001555001.

It is a super-2 number, since 2×1005551001060² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005551001060.

It is not an unprimeable number, because it can be changed into a prime (1005551001061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8379591616 + ... + 8379591735.

It is an arithmetic number, because the mean of its divisors is an integer number (117314283464).

Almost surely, 2^{1005551001060} is an apocalyptic number.

1005551001060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005551001060 is an abundant number, since it is smaller than the sum of its proper divisors (1809991802076).

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

1005551001060 is a wasteful number, since it uses less digits than its factorization.

1005551001060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16759183363 (or 16759183361 counting only the distinct ones).

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

Adding to 1005551001060 its reverse (601001555001), we get a palindrome (1606552556061).

The spelling of 1005551001060 in words is "one trillion, five billion, five hundred fifty-one million, one thousand, sixty".