11008749906 has 64 divisors (see below), whose sum is σ = 30500444160. Its totient is φ = 2859414480.

The previous prime is 11008749893. The next prime is 11008749919. The reversal of 11008749906 is 60994780011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11008749893) and next prime (11008749919).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1319646 + ... + 1327961.

It is an arithmetic number, because the mean of its divisors is an integer number (476569440).

Almost surely, 2^11008749906 is an apocalyptic number.

11008749906 is an abundant number, since it is smaller than the sum of its proper divisors (19491694254).

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

11008749906 is a wasteful number, since it uses less digits than its factorization.

11008749906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647636 (or 2647630 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 11008749906 in words is "eleven billion, eight million, seven hundred forty-nine thousand, nine hundred six".