11142895 has 8 divisors (see below), whose sum is σ = 13469904. Its totient is φ = 8848704.

The previous prime is 11142893. The next prime is 11142899. The reversal of 11142895 is 59824111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11142895 - 2¹ = 11142893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142893) 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 in 7 ways as a sum of consecutive naturals, for example, 7449 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (1683738).

Almost surely, 2^11142895 is an apocalyptic number.

11142895 is a deficient number, since it is larger than the sum of its proper divisors (2327009).

11142895 is a wasteful number, since it uses less digits than its factorization.

11142895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16409.

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

The square root of 11142895 is about 3338.0975120568. The cubic root of 11142895 is about 223.3568859594.

The spelling of 11142895 in words is "eleven million, one hundred forty-two thousand, eight hundred ninety-five".