11313305551 has 2 divisors, whose sum is σ = 11313305552. Its totient is φ = 11313305550.

The previous prime is 11313305543. The next prime is 11313305557. The reversal of 11313305551 is 15550331311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11313305551 - 2³ = 11313305543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11313305557) 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, 5656652775 + 5656652776.

It is an arithmetic number, because the mean of its divisors is an integer number (5656652776).

Almost surely, 2^11313305551 is an apocalyptic number.

11313305551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313305551 is an equidigital number, since it uses as much as digits as its factorization.

11313305551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 28.

Adding to 11313305551 its reverse (15550331311), we get a palindrome (26863636862).

The spelling of 11313305551 in words is "eleven billion, three hundred thirteen million, three hundred five thousand, five hundred fifty-one".