11131052551 has 2 divisors, whose sum is σ = 11131052552. Its totient is φ = 11131052550.

The previous prime is 11131052539. The next prime is 11131052557. The reversal of 11131052551 is 15525013111.

11131052551 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 an emirp because it is prime and its reverse (15525013111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11131052551 - 2¹¹ = 11131050503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131052557) 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, 5565526275 + 5565526276.

It is an arithmetic number, because the mean of its divisors is an integer number (5565526276).

Almost surely, 2^11131052551 is an apocalyptic number.

11131052551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131052551 is an equidigital number, since it uses as much as digits as its factorization.

11131052551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 11131052551 its reverse (15525013111), we get a palindrome (26656065662).

The spelling of 11131052551 in words is "eleven billion, one hundred thirty-one million, fifty-two thousand, five hundred fifty-one".