11663320412 has 24 divisors (see below), whose sum is σ = 21046037040. Its totient is φ = 5651424000.

The previous prime is 11663320399. The next prime is 11663320421. The reversal of 11663320412 is 21402336611.

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, 119837 + ... + 194132.

It is an arithmetic number, because the mean of its divisors is an integer number (876918210).

Almost surely, 2^11663320412 is an apocalyptic number.

It is an amenable number.

11663320412 is a deficient number, since it is larger than the sum of its proper divisors (9382716628).

11663320412 is a wasteful number, since it uses less digits than its factorization.

11663320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314261 (or 314259 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 11663320412 in words is "eleven billion, six hundred sixty-three million, three hundred twenty thousand, four hundred twelve".