21433112411004 has 144 divisors (see below), whose sum is σ = 62301373295616. Its totient is φ = 6085935475200.

The previous prime is 21433112411003. The next prime is 21433112411021. The reversal of 21433112411004 is 40011421133412.

It is a happy number.

21433112411004 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 311 + 241 + 100 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433112411003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26005609 + ... + 26817119.

It is an arithmetic number, because the mean of its divisors is an integer number (432648425664).

Almost surely, 2^{21433112411004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21433112411004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31150686647808).

21433112411004 is an abundant number, since it is smaller than the sum of its proper divisors (40868260884612).

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

21433112411004 is a wasteful number, since it uses less digits than its factorization.

21433112411004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812176 (or 812171 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21433112411004 its reverse (40011421133412), we get a palindrome (61444533544416).

The spelling of 21433112411004 in words is "twenty-one trillion, four hundred thirty-three billion, one hundred twelve million, four hundred eleven thousand, four".