11283655638 has 8 divisors (see below), whose sum is σ = 22567311288. Its totient is φ = 3761218544.

The previous prime is 11283655637. The next prime is 11283655673. The reversal of 11283655638 is 83655638211.

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

11283655638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11283655631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940304631 + ... + 940304642.

It is an arithmetic number, because the mean of its divisors is an integer number (2820913911).

Almost surely, 2^11283655638 is an apocalyptic number.

11283655638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11283655638 is a wasteful number, since it uses less digits than its factorization.

11283655638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880609278.

The product of its digits is 1036800, while the sum is 48.

The spelling of 11283655638 in words is "eleven billion, two hundred eighty-three million, six hundred fifty-five thousand, six hundred thirty-eight".