12661114456 has 32 divisors (see below), whose sum is σ = 24201257760. Its totient is φ = 6207581952.

The previous prime is 12661114439. The next prime is 12661114481. The reversal of 12661114456 is 65441116621.

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, 837541 + ... + 852523.

It is an arithmetic number, because the mean of its divisors is an integer number (756289305).

Almost surely, 2^12661114456 is an apocalyptic number.

It is an amenable number.

12661114456 is a deficient number, since it is larger than the sum of its proper divisors (11540143304).

12661114456 is a wasteful number, since it uses less digits than its factorization.

12661114456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17035 (or 17031 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The spelling of 12661114456 in words is "twelve billion, six hundred sixty-one million, one hundred fourteen thousand, four hundred fifty-six".