2001115003 has 8 divisors (see below), whose sum is σ = 2069829216. Its totient is φ = 1933348800.

The previous prime is 2001114989. The next prime is 2001115013. The reversal of 2001115003 is 3005111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001115003 - 2⁵ = 2001114971 is a prime.

It is a super-2 number, since 2×2001115003² = 8008922510463380018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001115013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232708 + ... + 241153.

It is an arithmetic number, because the mean of its divisors is an integer number (258728652).

Almost surely, 2^2001115003 is an apocalyptic number.

2001115003 is a deficient number, since it is larger than the sum of its proper divisors (68714213).

2001115003 is a wasteful number, since it uses less digits than its factorization.

2001115003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474005.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2001115003 is about 44733.8239255264. The cubic root of 2001115003 is about 1260.1551423564.

Adding to 2001115003 its reverse (3005111002), we get a palindrome (5006226005).

The spelling of 2001115003 in words is "two billion, one million, one hundred fifteen thousand, three".