11123002087 has 2 divisors, whose sum is σ = 11123002088. Its totient is φ = 11123002086.

The previous prime is 11123002069. The next prime is 11123002109. The reversal of 11123002087 is 78020032111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11123002087 - 2⁷ = 11123001959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123002057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561501043 + 5561501044.

It is an arithmetic number, because the mean of its divisors is an integer number (5561501044).

Almost surely, 2^11123002087 is an apocalyptic number.

11123002087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123002087 is an equidigital number, since it uses as much as digits as its factorization.

11123002087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 11123002087 its reverse (78020032111), we get a palindrome (89143034198).

The spelling of 11123002087 in words is "eleven billion, one hundred twenty-three million, two thousand, eighty-seven".