11132231087 has 2 divisors, whose sum is σ = 11132231088. Its totient is φ = 11132231086.

The previous prime is 11132231083. The next prime is 11132231113. The reversal of 11132231087 is 78013223111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11132231087 - 2² = 11132231083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11132231083) 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, 5566115543 + 5566115544.

It is an arithmetic number, because the mean of its divisors is an integer number (5566115544).

Almost surely, 2^11132231087 is an apocalyptic number.

11132231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132231087 is an equidigital number, since it uses as much as digits as its factorization.

11132231087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 11132231087 its reverse (78013223111), we get a palindrome (89145454198).

The spelling of 11132231087 in words is "eleven billion, one hundred thirty-two million, two hundred thirty-one thousand, eighty-seven".