9911042208 has 36 divisors (see below), whose sum is σ = 28184527098. Its totient is φ = 3303680640.

The previous prime is 9911042131. The next prime is 9911042303. The reversal of 9911042208 is 8022401199.

It can be written as a sum of positive squares in only one way, i.e., 8830736784 + 1080305424 = 93972^2 + 32868^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17206383 + ... + 17206958.

Almost surely, 2^9911042208 is an apocalyptic number.

It is an amenable number.

9911042208 is an abundant number, since it is smaller than the sum of its proper divisors (18273484890).

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

9911042208 is a wasteful number, since it uses less digits than its factorization.

9911042208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34413357 (or 34413346 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 9911042208 is about 99554.2174294992. The cubic root of 9911042208 is about 2148.0271939797.

The spelling of 9911042208 in words is "nine billion, nine hundred eleven million, forty-two thousand, two hundred eight".