2002523521311 has 48 divisors (see below), whose sum is σ = 3025728576000. Its totient is φ = 1273829578560.

The previous prime is 2002523521309. The next prime is 2002523521331. The reversal of 2002523521311 is 1131253252002.

2002523521311 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 523 + 5 + 2 + 131 + 1 = 666.

It is not a de Polignac number, because 2002523521311 - 2¹ = 2002523521309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002523521331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403976445 + ... + 403981401.

It is an arithmetic number, because the mean of its divisors is an integer number (63036012000).

Almost surely, 2^{2002523521311} is an apocalyptic number.

2002523521311 is a deficient number, since it is larger than the sum of its proper divisors (1023205054689).

2002523521311 is a wasteful number, since it uses less digits than its factorization.

2002523521311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396 (or 9393 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 2002523521311 its reverse (1131253252002), we get a palindrome (3133776773313).

The spelling of 2002523521311 in words is "two trillion, two billion, five hundred twenty-three million, five hundred twenty-one thousand, three hundred eleven".