11995305548 has 24 divisors (see below), whose sum is σ = 21512720880. Its totient is φ = 5848935680.

The previous prime is 11995305541. The next prime is 11995305593. The reversal of 11995305548 is 84550359911.

It is a junction number, because it is equal to n+sod(n) for n = 11995305496 and 11995305505.

It is not an unprimeable number, because it can be changed into a prime (11995305541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417923 + ... + 445701.

It is an arithmetic number, because the mean of its divisors is an integer number (896363370).

Almost surely, 2^11995305548 is an apocalyptic number.

It is an amenable number.

11995305548 is a deficient number, since it is larger than the sum of its proper divisors (9517415332).

11995305548 is a wasteful number, since it uses less digits than its factorization.

11995305548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30457 (or 30455 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 11995305548 in words is "eleven billion, nine hundred ninety-five million, three hundred five thousand, five hundred forty-eight".