2002011530511 has 4 divisors (see below), whose sum is σ = 2669348707352. Its totient is φ = 1334674353672.

The previous prime is 2002011530507. The next prime is 2002011530621. The reversal of 2002011530511 is 1150351102002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2002011530511 - 2² = 2002011530507 is a prime.

It is a super-2 number, since 2×2002011530511² (a number of 25 digits) 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 (2002011530011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333668588416 + ... + 333668588421.

It is an arithmetic number, because the mean of its divisors is an integer number (667337176838).

Almost surely, 2^{2002011530511} is an apocalyptic number.

2002011530511 is a deficient number, since it is larger than the sum of its proper divisors (667337176841).

2002011530511 is an equidigital number, since it uses as much as digits as its factorization.

2002011530511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667337176840.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 2002011530511 its reverse (1150351102002), we get a palindrome (3152362632513).

The spelling of 2002011530511 in words is "two trillion, two billion, eleven million, five hundred thirty thousand, five hundred eleven".