10530366561 has 96 divisors (see below), whose sum is σ = 18869760000. Its totient is φ = 5563416960.

The previous prime is 10530366527. The next prime is 10530366571. The reversal of 10530366561 is 16566303501.

10530366561 is a `hidden beast` number, since 1 + 0 + 5 + 30 + 3 + 66 + 561 = 666.

It is not a de Polignac number, because 10530366561 - 2¹¹ = 10530364513 is a prime.

It is a super-2 number, since 2×10530366561² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10530366521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12201616 + ... + 12202478.

It is an arithmetic number, because the mean of its divisors is an integer number (196560000).

Almost surely, 2^10530366561 is an apocalyptic number.

10530366561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10530366561 is a deficient number, since it is larger than the sum of its proper divisors (8339393439).

10530366561 is a wasteful number, since it uses less digits than its factorization.

10530366561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 10530366561 in words is "ten billion, five hundred thirty million, three hundred sixty-six thousand, five hundred sixty-one".