11131032427 has 2 divisors, whose sum is σ = 11131032428. Its totient is φ = 11131032426.

The previous prime is 11131032389. The next prime is 11131032431. The reversal of 11131032427 is 72423013111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131032427 is a prime.

It is not a weakly prime, because it can be changed into another prime (11131032467) 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, 5565516213 + 5565516214.

It is an arithmetic number, because the mean of its divisors is an integer number (5565516214).

Almost surely, 2^11131032427 is an apocalyptic number.

11131032427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131032427 is an equidigital number, since it uses as much as digits as its factorization.

11131032427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 11131032427 its reverse (72423013111), we get a palindrome (83554045538).

The spelling of 11131032427 in words is "eleven billion, one hundred thirty-one million, thirty-two thousand, four hundred twenty-seven".