2001581093059 has 16 divisors (see below), whose sum is σ = 2079836748000. Its totient is φ = 1924860865536.

The previous prime is 2001581093051. The next prime is 2001581093077. The reversal of 2001581093059 is 9503901851002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2001581093059 - 2³ = 2001581093051 is a prime.

It is a super-2 number, since 2×2001581093059² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001581093051) 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 15 ways as a sum of consecutive naturals, for example, 1225767 + ... + 2346415.

It is an arithmetic number, because the mean of its divisors is an integer number (129989796750).

Almost surely, 2^{2001581093059} is an apocalyptic number.

2001581093059 is a deficient number, since it is larger than the sum of its proper divisors (78255654941).

2001581093059 is a wasteful number, since it uses less digits than its factorization.

2001581093059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121334.

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 2001581093059 in words is "two trillion, one billion, five hundred eighty-one million, ninety-three thousand, fifty-nine".