11000005508 has 12 divisors (see below), whose sum is σ = 19323205440. Its totient is φ = 5479089672.

The previous prime is 11000005501. The next prime is 11000005519. The reversal of 11000005508 is 80550000011.

It is a self number, because there is not a number n which added to its sum of digits gives 11000005508.

It is not an unprimeable number, because it can be changed into a prime (11000005501) 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, 5227088 + ... + 5229191.

It is an arithmetic number, because the mean of its divisors is an integer number (1610267120).

Almost surely, 2^11000005508 is an apocalyptic number.

It is an amenable number.

11000005508 is a deficient number, since it is larger than the sum of its proper divisors (8323199932).

11000005508 is a wasteful number, since it uses less digits than its factorization.

11000005508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456546 (or 10456544 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 11000005508 its reverse (80550000011), we get a palindrome (91550005519).

The spelling of 11000005508 in words is "eleven billion, five thousand, five hundred eight".