1066542364111 has 16 divisors (see below), whose sum is σ = 1240895845440. Its totient is φ = 897735041280.

The previous prime is 1066542364061. The next prime is 1066542364171. The reversal of 1066542364111 is 1114632456601.

It is not a de Polignac number, because 1066542364111 - 2²⁹ = 1066005493199 is a prime.

It is a super-2 number, since 2×1066542364111² (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 (1066542364171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760656 + ... + 2287573.

It is an arithmetic number, because the mean of its divisors is an integer number (77555990340).

Almost surely, 2^{1066542364111} is an apocalyptic number.

1066542364111 is a deficient number, since it is larger than the sum of its proper divisors (174353481329).

1066542364111 is an equidigital number, since it uses as much as digits as its factorization.

1066542364111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048914.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 1066542364111 in words is "one trillion, sixty-six billion, five hundred forty-two million, three hundred sixty-four thousand, one hundred eleven".