11506087 has 2 divisors, whose sum is σ = 11506088. Its totient is φ = 11506086.

The previous prime is 11505997. The next prime is 11506097. The reversal of 11506087 is 78060511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11506087 - 2²³ = 3117479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11506097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5753043 + 5753044.

It is an arithmetic number, because the mean of its divisors is an integer number (5753044).

Almost surely, 2^11506087 is an apocalyptic number.

11506087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11506087 is an equidigital number, since it uses as much as digits as its factorization.

11506087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 11506087 is about 3392.0623520213. The cubic root of 11506087 is about 225.7576892330.

Adding to 11506087 its reverse (78060511), we get a palindrome (89566598).

The spelling of 11506087 in words is "eleven million, five hundred six thousand, eighty-seven".