10561506555000 has 80 divisors (see below), whose sum is σ = 32994146524680. Its totient is φ = 2816401744000.

The previous prime is 10561506554909. The next prime is 10561506555013. The reversal of 10561506555000 is 55560516501.

It is a super-2 number, since 2×10561506555000² (a number of 27 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 10561506555000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 352035219 + ... + 352065218.

Almost surely, 2^{10561506555000} is an apocalyptic number.

10561506555000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10561506555000 is an abundant number, since it is smaller than the sum of its proper divisors (22432639969680).

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

10561506555000 is an equidigital number, since it uses as much as digits as its factorization.

10561506555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704100466 (or 704100447 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 10561506555000 in words is "ten trillion, five hundred sixty-one billion, five hundred six million, five hundred fifty-five thousand".