1001066156001 has 12 divisors (see below), whose sum is σ = 1446165457828. Its totient is φ = 667293894144.

The previous prime is 1001066155981. The next prime is 1001066156011. The reversal of 1001066156001 is 1006516601001.

It can be written as a sum of positive squares in 2 ways, for example, as 231149408400 + 769916747601 = 480780^2 + 877449^2 .

It is not a de Polignac number, because 1001066156001 - 2⁶ = 1001066155937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001066156011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6886000 + ... + 7029873.

Almost surely, 2^{1001066156001} is an apocalyptic number.

It is an amenable number.

1001066156001 is a deficient number, since it is larger than the sum of its proper divisors (445099301827).

1001066156001 is a wasteful number, since it uses less digits than its factorization.

1001066156001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13923872 (or 13923869 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 1001066156001 in words is "one trillion, one billion, sixty-six million, one hundred fifty-six thousand, one".