11847980502 has 12 divisors (see below), whose sum is σ = 25670624460. Its totient is φ = 3949326828.

The previous prime is 11847980491. The next prime is 11847980539. The reversal of 11847980502 is 20508974811.

11847980502 is a `hidden beast` number, since 1 + 18 + 47 + 98 + 0 + 502 = 666.

11847980502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329110552 + ... + 329110587.

It is an arithmetic number, because the mean of its divisors is an integer number (2139218705).

Almost surely, 2^11847980502 is an apocalyptic number.

11847980502 is an abundant number, since it is smaller than the sum of its proper divisors (13822643958).

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

11847980502 is a wasteful number, since it uses less digits than its factorization.

11847980502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658221147 (or 658221144 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 11847980502 in words is "eleven billion, eight hundred forty-seven million, nine hundred eighty thousand, five hundred two".