11122432187 has 2 divisors, whose sum is σ = 11122432188. Its totient is φ = 11122432186.

The previous prime is 11122432163. The next prime is 11122432213. The reversal of 11122432187 is 78123422111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122432187 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122432157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561216093 + 5561216094.

It is an arithmetic number, because the mean of its divisors is an integer number (5561216094).

Almost surely, 2^11122432187 is an apocalyptic number.

11122432187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122432187 is an equidigital number, since it uses as much as digits as its factorization.

11122432187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

Adding to 11122432187 its reverse (78123422111), we get a palindrome (89245854298).

The spelling of 11122432187 in words is "eleven billion, one hundred twenty-two million, four hundred thirty-two thousand, one hundred eighty-seven".