12731525366 has 16 divisors (see below), whose sum is σ = 21923349504. Its totient is φ = 5431898664.

The previous prime is 12731525357. The next prime is 12731525419. The reversal of 12731525366 is 66352513721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035880 + ... + 2042123.

It is an arithmetic number, because the mean of its divisors is an integer number (1370209344).

Almost surely, 2^12731525366 is an apocalyptic number.

12731525366 is a deficient number, since it is larger than the sum of its proper divisors (9191824138).

12731525366 is a wasteful number, since it uses less digits than its factorization.

12731525366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078235.

The product of its digits is 226800, while the sum is 41.

The spelling of 12731525366 in words is "twelve billion, seven hundred thirty-one million, five hundred twenty-five thousand, three hundred sixty-six".