11385417588 has 48 divisors (see below), whose sum is σ = 27784458240. Its totient is φ = 3621825504.

The previous prime is 11385417553. The next prime is 11385417601. The reversal of 11385417588 is 88571458311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11385417588.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74181 + ... + 168147.

It is an arithmetic number, because the mean of its divisors is an integer number (578842880).

Almost surely, 2^11385417588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11385417588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13892229120).

11385417588 is an abundant number, since it is smaller than the sum of its proper divisors (16399040652).

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

11385417588 is a wasteful number, since it uses less digits than its factorization.

11385417588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94436 (or 94434 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 51.

The spelling of 11385417588 in words is "eleven billion, three hundred eighty-five million, four hundred seventeen thousand, five hundred eighty-eight".