12549116191148 has 6 divisors (see below), whose sum is σ = 21960953334516. Its totient is φ = 6274558095572.

The previous prime is 12549116191147. The next prime is 12549116191187. The reversal of 12549116191148 is 84119161194521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12549116191148.

It is not an unprimeable number, because it can be changed into a prime (12549116191141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568639523890 + ... + 1568639523897.

It is an arithmetic number, because the mean of its divisors is an integer number (3660158889086).

Almost surely, 2^{12549116191148} is an apocalyptic number.

It is an amenable number.

12549116191148 is a deficient number, since it is larger than the sum of its proper divisors (9411837143368).

12549116191148 is a wasteful number, since it uses less digits than its factorization.

12549116191148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137279047791 (or 3137279047789 counting only the distinct ones).

The product of its digits is 622080, while the sum is 53.

The spelling of 12549116191148 in words is "twelve trillion, five hundred forty-nine billion, one hundred sixteen million, one hundred ninety-one thousand, one hundred forty-eight".