12175577648 has 40 divisors (see below), whose sum is σ = 25429216176. Its totient is φ = 5614099200.

The previous prime is 12175577611. The next prime is 12175577677. The reversal of 12175577648 is 84677557121.

It is a happy number.

It is a Cunningham number, because it is equal to 110343²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 12175577648.

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, 193103 + ... + 248273.

Almost surely, 2^12175577648 is an apocalyptic number.

It is an amenable number.

12175577648 is an abundant number, since it is smaller than the sum of its proper divisors (13253638528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12175577648 is a wasteful number, since it uses less digits than its factorization.

12175577648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56253 (or 56247 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 53.

The spelling of 12175577648 in words is "twelve billion, one hundred seventy-five million, five hundred seventy-seven thousand, six hundred forty-eight".