11163055455 has 24 divisors (see below), whose sum is σ = 19430274240. Its totient is φ = 5928713280.

The previous prime is 11163055439. The next prime is 11163055469. The reversal of 11163055455 is 55455036111.

11163055455 is a `hidden beast` number, since 1 + 11 + 630 + 5 + 5 + 4 + 5 + 5 = 666.

It is not a de Polignac number, because 11163055455 - 2⁴ = 11163055439 is a prime.

It is a super-2 number, since 2×11163055455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508216 + ... + 529725.

It is an arithmetic number, because the mean of its divisors is an integer number (809594760).

Almost surely, 2^11163055455 is an apocalyptic number.

11163055455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11163055455 is a deficient number, since it is larger than the sum of its proper divisors (8267218785).

11163055455 is a wasteful number, since it uses less digits than its factorization.

11163055455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038191 (or 1038188 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 11163055455 in words is "eleven billion, one hundred sixty-three million, fifty-five thousand, four hundred fifty-five".