11858851 has 2 divisors, whose sum is σ = 11858852. Its totient is φ = 11858850.

The previous prime is 11858839. The next prime is 11858893. The reversal of 11858851 is 15885811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11858851 - 2⁷ = 11858723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11858851.

It is not a weakly prime, because it can be changed into another prime (11858801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929425 + 5929426.

It is an arithmetic number, because the mean of its divisors is an integer number (5929426).

Almost surely, 2^11858851 is an apocalyptic number.

11858851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11858851 is an equidigital number, since it uses as much as digits as its factorization.

11858851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12800, while the sum is 37.

The square root of 11858851 is about 3443.6682476685. The cubic root of 11858851 is about 228.0416654643.

The spelling of 11858851 in words is "eleven million, eight hundred fifty-eight thousand, eight hundred fifty-one".