10556566133 has 2 divisors, whose sum is σ = 10556566134. Its totient is φ = 10556566132.

The previous prime is 10556566123. The next prime is 10556566169. The reversal of 10556566133 is 33166565501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10415835364 + 140730769 = 102058^2 + 11863^2 .

It is a cyclic number.

It is not a de Polignac number, because 10556566133 - 2¹⁴ = 10556549749 is a prime.

It is a super-2 number, since 2×10556566133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10556566123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278283066 + 5278283067.

It is an arithmetic number, because the mean of its divisors is an integer number (5278283067).

Almost surely, 2^10556566133 is an apocalyptic number.

It is an amenable number.

10556566133 is a deficient number, since it is larger than the sum of its proper divisors (1).

10556566133 is an equidigital number, since it uses as much as digits as its factorization.

10556566133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 10556566133 in words is "ten billion, five hundred fifty-six million, five hundred sixty-six thousand, one hundred thirty-three".