11000555638 has 8 divisors (see below), whose sum is σ = 16501422240. Its totient is φ = 5500081560.

The previous prime is 11000555611. The next prime is 11000555641. The reversal of 11000555638 is 83655500011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13453 + ... + 148936.

It is an arithmetic number, because the mean of its divisors is an integer number (2062677780).

Almost surely, 2^11000555638 is an apocalyptic number.

11000555638 is a deficient number, since it is larger than the sum of its proper divisors (5500866602).

11000555638 is a wasteful number, since it uses less digits than its factorization.

11000555638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196262.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 11000555638 in words is "eleven billion, five hundred fifty-five thousand, six hundred thirty-eight".