11980847950 has 12 divisors (see below), whose sum is σ = 22284377280. Its totient is φ = 4792339160.

The previous prime is 11980847929. The next prime is 11980847951. The reversal of 11980847950 is 5974808911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980847951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119808430 + ... + 119808529.

It is an arithmetic number, because the mean of its divisors is an integer number (1857031440).

Almost surely, 2^11980847950 is an apocalyptic number.

11980847950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11980847950 is a deficient number, since it is larger than the sum of its proper divisors (10303529330).

11980847950 is a wasteful number, since it uses less digits than its factorization.

11980847950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239616971 (or 239616966 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 11980847950 in words is "eleven billion, nine hundred eighty million, eight hundred forty-seven thousand, nine hundred fifty".