11857151 has 2 divisors, whose sum is σ = 11857152. Its totient is φ = 11857150.

The previous prime is 11857147. The next prime is 11857193. The reversal of 11857151 is 15175811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11857151 - 2² = 11857147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11857451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5928575 + 5928576.

It is an arithmetic number, because the mean of its divisors is an integer number (5928576).

Almost surely, 2^11857151 is an apocalyptic number.

11857151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11857151 is an equidigital number, since it uses as much as digits as its factorization.

11857151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 29.

The square root of 11857151 is about 3443.4214090059. The cubic root of 11857151 is about 228.0307681366.

The spelling of 11857151 in words is "eleven million, eight hundred fifty-seven thousand, one hundred fifty-one".