11312603980 has 24 divisors (see below), whose sum is σ = 23991685200. Its totient is φ = 4480238400.

The previous prime is 11312603977. The next prime is 11312603989. The reversal of 11312603980 is 8930621311.

It is not an unprimeable number, because it can be changed into a prime (11312603989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798130 + ... + 2802169.

It is an arithmetic number, because the mean of its divisors is an integer number (999653550).

Almost surely, 2^11312603980 is an apocalyptic number.

11312603980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312603980 is an abundant number, since it is smaller than the sum of its proper divisors (12679081220).

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

11312603980 is a wasteful number, since it uses less digits than its factorization.

11312603980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600409 (or 5600407 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 11312603980 in words is "eleven billion, three hundred twelve million, six hundred three thousand, nine hundred eighty".