21410511100052 has 6 divisors (see below), whose sum is σ = 37468394425098. Its totient is φ = 10705255550024.

The previous prime is 21410511100049. The next prime is 21410511100081. The reversal of 21410511100052 is 25000111501412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21373109087236 + 37402012816 = 4623106^2 + 193396^2 .

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, 2676313887503 + ... + 2676313887510.

It is an arithmetic number, because the mean of its divisors is an integer number (6244732404183).

Almost surely, 2^{21410511100052} is an apocalyptic number.

It is an amenable number.

21410511100052 is a deficient number, since it is larger than the sum of its proper divisors (16057883325046).

21410511100052 is a wasteful number, since it uses less digits than its factorization.

21410511100052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352627775017 (or 5352627775015 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 21410511100052 its reverse (25000111501412), we get a palindrome (46410622601464).

The spelling of 21410511100052 in words is "twenty-one trillion, four hundred ten billion, five hundred eleven million, one hundred thousand, fifty-two".