11947649356116 has 48 divisors (see below), whose sum is σ = 30975748870080. Its totient is φ = 3982503287520.

The previous prime is 11947649356087. The next prime is 11947649356133. The reversal of 11947649356116 is 61165394674911.

11947649356116 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 7 + 6 + 4 + 9 + 3 + 5 + 611 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 9361911 + ... + 10561281.

It is an arithmetic number, because the mean of its divisors is an integer number (645328101460).

Almost surely, 2^{11947649356116} is an apocalyptic number.

It is an amenable number.

11947649356116 is an abundant number, since it is smaller than the sum of its proper divisors (19028099513964).

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

11947649356116 is a wasteful number, since it uses less digits than its factorization.

11947649356116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291621 (or 1291613 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 11947649356116 in words is "eleven trillion, nine hundred forty-seven billion, six hundred forty-nine million, three hundred fifty-six thousand, one hundred sixteen".