11471087 has 2 divisors, whose sum is σ = 11471088. Its totient is φ = 11471086.

The previous prime is 11471077. The next prime is 11471099. The reversal of 11471087 is 78017411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11471087 - 2⁴ = 11471071 is a prime.

It is equal to p₇₅₅₅₁₆ and since 11471087 and 755516 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11471027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735543 + 5735544.

It is an arithmetic number, because the mean of its divisors is an integer number (5735544).

Almost surely, 2^11471087 is an apocalyptic number.

11471087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471087 is an equidigital number, since it uses as much as digits as its factorization.

11471087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 11471087 is about 3386.8993194366. The cubic root of 11471087 is about 225.5285483593.

Adding to 11471087 its reverse (78017411), we get a palindrome (89488498).

The spelling of 11471087 in words is "eleven million, four hundred seventy-one thousand, eighty-seven".