1066500560101 has 4 divisors (see below), whose sum is σ = 1091302898752. Its totient is φ = 1041698221452.

The previous prime is 1066500560017. The next prime is 1066500560117. The reversal of 1066500560101 is 1010650056601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1066500560101 - 2³⁹ = 516744746213 is a prime.

It is a super-2 number, since 2×1066500560101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066500560401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12401169261 + ... + 12401169346.

It is an arithmetic number, because the mean of its divisors is an integer number (272825724688).

Almost surely, 2^{1066500560101} is an apocalyptic number.

It is an amenable number.

1066500560101 is a deficient number, since it is larger than the sum of its proper divisors (24802338651).

1066500560101 is an equidigital number, since it uses as much as digits as its factorization.

1066500560101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24802338650.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1066500560101 in words is "one trillion, sixty-six billion, five hundred million, five hundred sixty thousand, one hundred one".