2001115470 has 16 divisors (see below), whose sum is σ = 4802677200. Its totient is φ = 533630784.

The previous prime is 2001115469. The next prime is 2001115471. The reversal of 2001115470 is 745111002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2001115469) and next prime (2001115471).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001115471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33351895 + ... + 33351954.

It is an arithmetic number, because the mean of its divisors is an integer number (300167325).

Almost surely, 2^2001115470 is an apocalyptic number.

2001115470 is an abundant number, since it is smaller than the sum of its proper divisors (2801561730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001115470 is a wasteful number, since it uses less digits than its factorization.

2001115470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66703859.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 2001115470 is about 44733.8291452900. The cubic root of 2001115470 is about 1260.1552403838.

Adding to 2001115470 its reverse (745111002), we get a palindrome (2746226472).

The spelling of 2001115470 in words is "two billion, one million, one hundred fifteen thousand, four hundred seventy".