1066248181811 has 8 divisors (see below), whose sum is σ = 1129715856864. Its totient is φ = 1002863528320.

The previous prime is 1066248181753. The next prime is 1066248181813. The reversal of 1066248181811 is 1181818426601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066248181811 - 2¹⁴ = 1066248165427 is a prime.

It is a super-2 number, since 2×1066248181811² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066248181813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20728940 + ... + 20780313.

It is an arithmetic number, because the mean of its divisors is an integer number (141214482108).

Almost surely, 2^{1066248181811} is an apocalyptic number.

1066248181811 is a deficient number, since it is larger than the sum of its proper divisors (63467675053).

1066248181811 is a wasteful number, since it uses less digits than its factorization.

1066248181811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41510781.

The product of its (nonzero) digits is 147456, while the sum is 47.

The spelling of 1066248181811 in words is "one trillion, sixty-six billion, two hundred forty-eight million, one hundred eighty-one thousand, eight hundred eleven".