2001581093051 has 2 divisors, whose sum is σ = 2001581093052. Its totient is φ = 2001581093050.

The previous prime is 2001581093047. The next prime is 2001581093077. The reversal of 2001581093051 is 1503901851002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001581093051 - 2² = 2001581093047 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001581096051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000790546525 + 1000790546526.

It is an arithmetic number, because the mean of its divisors is an integer number (1000790546526).

Almost surely, 2^{2001581093051} is an apocalyptic number.

2001581093051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001581093051 is an equidigital number, since it uses as much as digits as its factorization.

2001581093051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 2001581093051 in words is "two trillion, one billion, five hundred eighty-one million, ninety-three thousand, fifty-one".