11055511404 has 36 divisors (see below), whose sum is σ = 31938144784. Its totient is φ = 3158717472.

The previous prime is 11055511403. The next prime is 11055511483. The reversal of 11055511404 is 40411555011.

11055511404 is a `hidden beast` number, since 1 + 105 + 5 + 511 + 40 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11055511403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21935287 + ... + 21935790.

Almost surely, 2^11055511404 is an apocalyptic number.

11055511404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11055511404 is an abundant number, since it is smaller than the sum of its proper divisors (20882633380).

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

11055511404 is a wasteful number, since it uses less digits than its factorization.

11055511404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43871094 (or 43871089 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 11055511404 in words is "eleven billion, fifty-five million, five hundred eleven thousand, four hundred four".