11512087 has 2 divisors, whose sum is σ = 11512088. Its totient is φ = 11512086.

The previous prime is 11512073. The next prime is 11512093. The reversal of 11512087 is 78021511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11512087 - 2¹¹ = 11510039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11512037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756043 + 5756044.

It is an arithmetic number, because the mean of its divisors is an integer number (5756044).

Almost surely, 2^11512087 is an apocalyptic number.

11512087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11512087 is an equidigital number, since it uses as much as digits as its factorization.

11512087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 11512087 is about 3392.9466544583. The cubic root of 11512087 is about 225.7969238501.

Adding to 11512087 its reverse (78021511), we get a palindrome (89533598).

The spelling of 11512087 in words is "eleven million, five hundred twelve thousand, eighty-seven".