10666472781043 has 2 divisors, whose sum is σ = 10666472781044. Its totient is φ = 10666472781042.

The previous prime is 10666472781031. The next prime is 10666472781067. The reversal of 10666472781043 is 34018727466601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10666472781043 - 2¹⁷ = 10666472649971 is a prime.

It is a super-2 number, since 2×10666472781043² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666472781023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333236390521 + 5333236390522.

It is an arithmetic number, because the mean of its divisors is an integer number (5333236390522).

Almost surely, 2^{10666472781043} is an apocalyptic number.

10666472781043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666472781043 is an equidigital number, since it uses as much as digits as its factorization.

10666472781043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 10666472781043 in words is "ten trillion, six hundred sixty-six billion, four hundred seventy-two million, seven hundred eighty-one thousand, forty-three".