2005532131915 has 12 divisors (see below), whose sum is σ = 2606005067184. Its totient is φ = 1481008342944.

The previous prime is 2005532131909. The next prime is 2005532131963. The reversal of 2005532131915 is 5191312355002.

It is not a de Polignac number, because 2005532131915 - 2³ = 2005532131907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1186704559 + ... + 1186706248.

It is an arithmetic number, because the mean of its divisors is an integer number (217167088932).

Almost surely, 2^{2005532131915} is an apocalyptic number.

2005532131915 is a deficient number, since it is larger than the sum of its proper divisors (600472935269).

2005532131915 is a wasteful number, since it uses less digits than its factorization.

2005532131915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373410838 (or 2373410825 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

Adding to 2005532131915 its reverse (5191312355002), we get a palindrome (7196844486917).

The spelling of 2005532131915 in words is "two trillion, five billion, five hundred thirty-two million, one hundred thirty-one thousand, nine hundred fifteen".