21114414053 has 2 divisors, whose sum is σ = 21114414054. Its totient is φ = 21114414052.

The previous prime is 21114414019. The next prime is 21114414059. The reversal of 21114414053 is 35041441112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11608554049 + 9505860004 = 107743^2 + 97498^2 .

It is a cyclic number.

It is not a de Polignac number, because 21114414053 - 2¹² = 21114409957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21114414059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10557207026 + 10557207027.

It is an arithmetic number, because the mean of its divisors is an integer number (10557207027).

Almost surely, 2^21114414053 is an apocalyptic number.

It is an amenable number.

21114414053 is a deficient number, since it is larger than the sum of its proper divisors (1).

21114414053 is an equidigital number, since it uses as much as digits as its factorization.

21114414053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 21114414053 its reverse (35041441112), we get a palindrome (56155855165).

The spelling of 21114414053 in words is "twenty-one billion, one hundred fourteen million, four hundred fourteen thousand, fifty-three".