12155963468 has 36 divisors (see below), whose sum is σ = 23392469856. Its totient is φ = 5523117600.

The previous prime is 12155963423. The next prime is 12155963471. The reversal of 12155963468 is 86436955121.

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, 1753946 + ... + 1760862.

Almost surely, 2^12155963468 is an apocalyptic number.

It is an amenable number.

12155963468 is a deficient number, since it is larger than the sum of its proper divisors (11236506388).

12155963468 is a wasteful number, since it uses less digits than its factorization.

12155963468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10574 (or 10561 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The spelling of 12155963468 in words is "twelve billion, one hundred fifty-five million, nine hundred sixty-three thousand, four hundred sixty-eight".