2660520715012 has 12 divisors (see below), whose sum is σ = 4701114273856. Its totient is φ = 1317345208200.

The previous prime is 2660520714997. The next prime is 2660520715051. The reversal of 2660520715012 is 2105170250662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3228786864 + ... + 3228787687.

Almost surely, 2^{2660520715012} is an apocalyptic number.

It is an amenable number.

2660520715012 is a deficient number, since it is larger than the sum of its proper divisors (2040593558844).

2660520715012 is a wasteful number, since it uses less digits than its factorization.

2660520715012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457574658 (or 6457574656 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 2660520715012 its reverse (2105170250662), we get a palindrome (4765690965674).

The spelling of 2660520715012 in words is "two trillion, six hundred sixty billion, five hundred twenty million, seven hundred fifteen thousand, twelve".