21150011411104 has 24 divisors (see below), whose sum is σ = 41639295487860. Its totient is φ = 10574952239616.

The previous prime is 21150011411101. The next prime is 21150011411119. The reversal of 21150011411104 is 40111411005112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20334147235600 + 815864175504 = 4509340^2 + 903252^2 .

It is not an unprimeable number, because it can be changed into a prime (21150011411101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5190882 + ... + 8321374.

Almost surely, 2^{21150011411104} is an apocalyptic number.

It is an amenable number.

21150011411104 is a deficient number, since it is larger than the sum of its proper divisors (20489284076756).

21150011411104 is a wasteful number, since it uses less digits than its factorization.

21150011411104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341632 (or 3341624 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 21150011411104 its reverse (40111411005112), we get a palindrome (61261422416216).

The spelling of 21150011411104 in words is "twenty-one trillion, one hundred fifty billion, eleven million, four hundred eleven thousand, one hundred four".