11587951 has 2 divisors, whose sum is σ = 11587952. Its totient is φ = 11587950.

The previous prime is 11587949. The next prime is 11588009. The reversal of 11587951 is 15978511.

It is a weak prime.

It is an emirp because it is prime and its reverse (15978511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11587951 - 2¹ = 11587949 is a prime.

Together with 11587949, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11587951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11587151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5793975 + 5793976.

It is an arithmetic number, because the mean of its divisors is an integer number (5793976).

Almost surely, 2^11587951 is an apocalyptic number.

11587951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11587951 is an equidigital number, since it uses as much as digits as its factorization.

11587951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 37.

The square root of 11587951 is about 3404.1079595101. The cubic root of 11587951 is about 226.2918345970.

The spelling of 11587951 in words is "eleven million, five hundred eighty-seven thousand, nine hundred fifty-one".