11168045554 has 32 divisors (see below), whose sum is σ = 18340254720. Its totient is φ = 5084164800.

The previous prime is 11168045519. The next prime is 11168045557. The reversal of 11168045554 is 45554086111.

It is not an unprimeable number, because it can be changed into a prime (11168045557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22792 + ... + 151180.

It is an arithmetic number, because the mean of its divisors is an integer number (573132960).

Almost surely, 2^11168045554 is an apocalyptic number.

11168045554 is a deficient number, since it is larger than the sum of its proper divisors (7172209166).

11168045554 is a wasteful number, since it uses less digits than its factorization.

11168045554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128506.

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 11168045554 in words is "eleven billion, one hundred sixty-eight million, forty-five thousand, five hundred fifty-four".