2081158001 has 16 divisors (see below), whose sum is σ = 2323460160. Its totient is φ = 1850882880.

The previous prime is 2081157997. The next prime is 2081158031. The reversal of 2081158001 is 1008511802.

It is a cyclic number.

It is not a de Polignac number, because 2081158001 - 2² = 2081157997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2081158031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179486 + ... + 190728.

It is an arithmetic number, because the mean of its divisors is an integer number (145216260).

Almost surely, 2^2081158001 is an apocalyptic number.

It is an amenable number.

2081158001 is a deficient number, since it is larger than the sum of its proper divisors (242302159).

2081158001 is a wasteful number, since it uses less digits than its factorization.

2081158001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 2081158001 is about 45619.7106632648. The cubic root of 2081158001 is about 1276.7377051308.

Adding to 2081158001 its reverse (1008511802), we get a palindrome (3089669803).

The spelling of 2081158001 in words is "two billion, eighty-one million, one hundred fifty-eight thousand, one".