11554155104556 has 12 divisors (see below), whose sum is σ = 26959695243992. Its totient is φ = 3851385034848.

The previous prime is 11554155104537. The next prime is 11554155104561. The reversal of 11554155104556 is 65540155145511.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481423129345 + ... + 481423129368.

Almost surely, 2^{11554155104556} is an apocalyptic number.

It is an amenable number.

11554155104556 is an abundant number, since it is smaller than the sum of its proper divisors (15405540139436).

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

11554155104556 is a wasteful number, since it uses less digits than its factorization.

11554155104556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962846258720 (or 962846258718 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 48.

The spelling of 11554155104556 in words is "eleven trillion, five hundred fifty-four billion, one hundred fifty-five million, one hundred four thousand, five hundred fifty-six".