11638067055 has 32 divisors (see below), whose sum is σ = 19612454400. Its totient is φ = 5876836992.

The previous prime is 11638067041. The next prime is 11638067071. The reversal of 11638067055 is 55076083611.

It is not a de Polignac number, because 11638067055 - 2¹¹ = 11638065007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11638066998 and 11638067016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515341 + ... + 537449.

It is an arithmetic number, because the mean of its divisors is an integer number (612889200).

Almost surely, 2^11638067055 is an apocalyptic number.

11638067055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11638067055 is a deficient number, since it is larger than the sum of its proper divisors (7974387345).

11638067055 is a wasteful number, since it uses less digits than its factorization.

11638067055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23983.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 11638067055 in words is "eleven billion, six hundred thirty-eight million, sixty-seven thousand, fifty-five".