2002045511 has 16 divisors (see below), whose sum is σ = 2259062784. Its totient is φ = 1763988864.

The previous prime is 2002045481. The next prime is 2002045657. The reversal of 2002045511 is 1155402002.

It is not a de Polignac number, because 2002045511 - 2³⁰ = 928303687 is a prime.

It is a super-2 number, since 2×2002045511² = 8016372456230502242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002048511) 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 15 ways as a sum of consecutive naturals, for example, 36095 + ... + 72848.

It is an arithmetic number, because the mean of its divisors is an integer number (141191424).

Almost surely, 2^2002045511 is an apocalyptic number.

2002045511 is a deficient number, since it is larger than the sum of its proper divisors (257017273).

2002045511 is a wasteful number, since it uses less digits than its factorization.

2002045511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109030.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2002045511 is about 44744.2232137289. The cubic root of 2002045511 is about 1260.3504339376.

Adding to 2002045511 its reverse (1155402002), we get a palindrome (3157447513).

The spelling of 2002045511 in words is "two billion, two million, forty-five thousand, five hundred eleven".