11315142 has 24 divisors (see below), whose sum is σ = 24737544. Its totient is φ = 3737664.

The previous prime is 11315137. The next prime is 11315153. The reversal of 11315142 is 24151311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 748 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (1030731).

Almost surely, 2^11315142 is an apocalyptic number.

11315142 is an abundant number, since it is smaller than the sum of its proper divisors (13422402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11315142 is a wasteful number, since it uses less digits than its factorization.

11315142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684 (or 5681 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11315142 is about 3363.7987454662. The cubic root of 11315142 is about 224.5018906824.

Adding to 11315142 its reverse (24151311), we get a palindrome (35466453).

The spelling of 11315142 in words is "eleven million, three hundred fifteen thousand, one hundred forty-two".