9911038044 has 12 divisors (see below), whose sum is σ = 23125755464. Its totient is φ = 3303679344.

The previous prime is 9911038043. The next prime is 9911038069. The reversal of 9911038044 is 4408301199.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×9911038044³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9911037993 and 9911038011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9911038043) 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, 412959907 + ... + 412959930.

Almost surely, 2^9911038044 is an apocalyptic number.

It is an amenable number.

9911038044 is an abundant number, since it is smaller than the sum of its proper divisors (13214717420).

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

9911038044 is a wasteful number, since it uses less digits than its factorization.

9911038044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825919844 (or 825919842 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 9911038044 is about 99554.1965162695. The cubic root of 9911038044 is about 2148.0268931574.

The spelling of 9911038044 in words is "nine billion, nine hundred eleven million, thirty-eight thousand, forty-four".