9911810004 has 12 divisors (see below), whose sum is σ = 23127556704. Its totient is φ = 3303936664.

The previous prime is 9911809997. The next prime is 9911810023. The reversal of 9911810004 is 4000181199.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412992072 + ... + 412992095.

It is an arithmetic number, because the mean of its divisors is an integer number (1927296392).

Almost surely, 2^9911810004 is an apocalyptic number.

It is an amenable number.

9911810004 is an abundant number, since it is smaller than the sum of its proper divisors (13215746700).

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

9911810004 is a wasteful number, since it uses less digits than its factorization.

9911810004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825984174 (or 825984172 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 9911810004 is about 99558.0735249533. The cubic root of 9911810004 is about 2148.0826608709.

The spelling of 9911810004 in words is "nine billion, nine hundred eleven million, eight hundred ten thousand, four".