13211215051 has 2 divisors, whose sum is σ = 13211215052. Its totient is φ = 13211215050.

The previous prime is 13211215027. The next prime is 13211215057. The reversal of 13211215051 is 15051211231.

13211215051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13211215051 - 2¹³ = 13211206859 is a prime.

It is not a weakly prime, because it can be changed into another prime (13211215057) 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, 6605607525 + 6605607526.

It is an arithmetic number, because the mean of its divisors is an integer number (6605607526).

Almost surely, 2^13211215051 is an apocalyptic number.

13211215051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211215051 is an equidigital number, since it uses as much as digits as its factorization.

13211215051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 13211215051 its reverse (15051211231), we get a palindrome (28262426282).

The spelling of 13211215051 in words is "thirteen billion, two hundred eleven million, two hundred fifteen thousand, fifty-one".