11554926880 has 48 divisors (see below), whose sum is σ = 31198305600. Its totient is φ = 3961688832.

The previous prime is 11554926869. The next prime is 11554926881. The reversal of 11554926880 is 8862945511.

It is not an unprimeable number, because it can be changed into a prime (11554926881) 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, 5157330 + ... + 5159569.

It is an arithmetic number, because the mean of its divisors is an integer number (649964700).

Almost surely, 2^11554926880 is an apocalyptic number.

11554926880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11554926880 is an abundant number, since it is smaller than the sum of its proper divisors (19643378720).

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

11554926880 is a wasteful number, since it uses less digits than its factorization.

11554926880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316921 (or 10316913 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 11554926880 in words is "eleven billion, five hundred fifty-four million, nine hundred twenty-six thousand, eight hundred eighty".