11125232551 has 2 divisors, whose sum is σ = 11125232552. Its totient is φ = 11125232550.

The previous prime is 11125232501. The next prime is 11125232563. The reversal of 11125232551 is 15523252111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11125232551 - 2⁷ = 11125232423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11125232501) 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, 5562616275 + 5562616276.

It is an arithmetic number, because the mean of its divisors is an integer number (5562616276).

Almost surely, 2^11125232551 is an apocalyptic number.

11125232551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11125232551 is an equidigital number, since it uses as much as digits as its factorization.

11125232551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000, while the sum is 28.

Adding to 11125232551 its reverse (15523252111), we get a palindrome (26648484662).

The spelling of 11125232551 in words is "eleven billion, one hundred twenty-five million, two hundred thirty-two thousand, five hundred fifty-one".