11249851 has 2 divisors, whose sum is σ = 11249852. Its totient is φ = 11249850.

The previous prime is 11249831. The next prime is 11249891. The reversal of 11249851 is 15894211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15894211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11249851 - 2⁷ = 11249723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11249831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624925 + 5624926.

It is an arithmetic number, because the mean of its divisors is an integer number (5624926).

Almost surely, 2^11249851 is an apocalyptic number.

11249851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11249851 is an equidigital number, since it uses as much as digits as its factorization.

11249851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 31.

The square root of 11249851 is about 3354.0797545676. The cubic root of 11249851 is about 224.0692480949.

It can be divided in two parts, 11249 and 851, that added together give a square (12100 = 110²).

The spelling of 11249851 in words is "eleven million, two hundred forty-nine thousand, eight hundred fifty-one".