9011211136 has 16 divisors (see below), whose sum is σ = 17952022440. Its totient is φ = 4505605504.

The previous prime is 9011211119. The next prime is 9011211137. The reversal of 9011211136 is 6311121109.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×9011211136² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9011211136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9011211137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35199916 + ... + 35200171.

Almost surely, 2^9011211136 is an apocalyptic number.

It is an amenable number.

9011211136 is a deficient number, since it is larger than the sum of its proper divisors (8940811304).

9011211136 is an equidigital number, since it uses as much as digits as its factorization.

9011211136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70400101 (or 70400089 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 9011211136 is about 94927.3992901944. The cubic root of 9011211136 is about 2080.9471721699.

The spelling of 9011211136 in words is "nine billion, eleven million, two hundred eleven thousand, one hundred thirty-six".