11142046 has 4 divisors (see below), whose sum is σ = 16713072. Its totient is φ = 5571022.

The previous prime is 11142029. The next prime is 11142049. The reversal of 11142046 is 64024111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64024111 = 23 ⋅2783657.

It is a super-2 number, since 2×11142046² = 248290378132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785510 + ... + 2785513.

It is an arithmetic number, because the mean of its divisors is an integer number (4178268).

Almost surely, 2^11142046 is an apocalyptic number.

11142046 is a deficient number, since it is larger than the sum of its proper divisors (5571026).

11142046 is an equidigital number, since it uses as much as digits as its factorization.

11142046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571025.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11142046 is about 3337.9703413901. The cubic root of 11142046 is about 223.3512131424.

Adding to 11142046 its reverse (64024111), we get a palindrome (75166157).

It can be divided in two parts, 1114 and 2046, that added together give a triangular number (3160 = T₇₉).

The spelling of 11142046 in words is "eleven million, one hundred forty-two thousand, forty-six".