21411411412 has 6 divisors (see below), whose sum is σ = 37469969978. Its totient is φ = 10705705704.

The previous prime is 21411411407. The next prime is 21411411451.

21411411412 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 21116739856 + 294671556 = 145316^2 + 17166^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2676426423 + ... + 2676426430.

Almost surely, 2^21411411412 is an apocalyptic number.

It is an amenable number.

21411411412 is a deficient number, since it is larger than the sum of its proper divisors (16058558566).

21411411412 is a wasteful number, since it uses less digits than its factorization.

21411411412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352852857 (or 5352852855 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

The spelling of 21411411412 in words is "twenty-one billion, four hundred eleven million, four hundred eleven thousand, four hundred twelve".