2001451411 has 6 divisors (see below), whose sum is σ = 2008314812. Its totient is φ = 1994593260.

The previous prime is 2001451399. The next prime is 2001451427. The reversal of 2001451411 is 1141541002.

It is not a de Polignac number, because 2001451411 - 2²³ = 1993062803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001451511) 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 5 ways as a sum of consecutive naturals, for example, 812700 + ... + 815158.

Almost surely, 2^2001451411 is an apocalyptic number.

2001451411 is a deficient number, since it is larger than the sum of its proper divisors (6863401).

2001451411 is an frugal number, since it uses more digits than its factorization.

2001451411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2001451411 is about 44737.5838753056. The cubic root of 2001451411 is about 1260.2257534102.

Adding to 2001451411 its reverse (1141541002), we get a palindrome (3142992413).

The spelling of 2001451411 in words is "two billion, one million, four hundred fifty-one thousand, four hundred eleven".