13213011551 has 2 divisors, whose sum is σ = 13213011552. Its totient is φ = 13213011550.

The previous prime is 13213011529. The next prime is 13213011563. The reversal of 13213011551 is 15511031231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13213011551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13213011451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606505775 + 6606505776.

It is an arithmetic number, because the mean of its divisors is an integer number (6606505776).

Almost surely, 2^13213011551 is an apocalyptic number.

13213011551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13213011551 is an equidigital number, since it uses as much as digits as its factorization.

13213011551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 13213011551 its reverse (15511031231), we get a palindrome (28724042782).

The spelling of 13213011551 in words is "thirteen billion, two hundred thirteen million, eleven thousand, five hundred fifty-one".