11142851 has 2 divisors, whose sum is σ = 11142852. Its totient is φ = 11142850.

The previous prime is 11142847. The next prime is 11142869. The reversal of 11142851 is 15824111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11142851 - 2² = 11142847 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11142821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571425 + 5571426.

It is an arithmetic number, because the mean of its divisors is an integer number (5571426).

Almost surely, 2^11142851 is an apocalyptic number.

11142851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142851 is an equidigital number, since it uses as much as digits as its factorization.

11142851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 23.

The square root of 11142851 is about 3338.0909214699. The cubic root of 11142851 is about 223.3565919689.

Adding to 11142851 its reverse (15824111), we get a palindrome (26966962).

The spelling of 11142851 in words is "eleven million, one hundred forty-two thousand, eight hundred fifty-one".