10561521030643 has 32 divisors (see below), whose sum is σ = 12797821048320. Its totient is φ = 8602101312000.

The previous prime is 10561521030629. The next prime is 10561521030661. The reversal of 10561521030643 is 34603012516501.

It is a cyclic number.

It is not a de Polignac number, because 10561521030643 - 2⁵ = 10561521030611 is a prime.

It is a super-2 number, since 2×10561521030643² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561521030743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13330053 + ... + 14100118.

It is an arithmetic number, because the mean of its divisors is an integer number (399931907760).

Almost surely, 2^{10561521030643} is an apocalyptic number.

10561521030643 is a deficient number, since it is larger than the sum of its proper divisors (2236300017677).

10561521030643 is a wasteful number, since it uses less digits than its factorization.

10561521030643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27430299.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 10561521030643 in words is "ten trillion, five hundred sixty-one billion, five hundred twenty-one million, thirty thousand, six hundred forty-three".