11557153516880 has 40 divisors (see below), whose sum is σ = 26918109175392. Its totient is φ = 4614650267264.

The previous prime is 11557153516871. The next prime is 11557153516939. The reversal of 11557153516880 is 8861535175511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128253734 + ... + 128343813.

Almost surely, 2^{11557153516880} is an apocalyptic number.

11557153516880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11557153516880 is an abundant number, since it is smaller than the sum of its proper divisors (15360955658512).

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

11557153516880 is a wasteful number, since it uses less digits than its factorization.

11557153516880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256598123 (or 256598117 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 56.

The spelling of 11557153516880 in words is "eleven trillion, five hundred fifty-seven billion, one hundred fifty-three million, five hundred sixteen thousand, eight hundred eighty".