11004142 has 4 divisors (see below), whose sum is σ = 16506216. Its totient is φ = 5502070.

The previous prime is 11004127. The next prime is 11004167. The reversal of 11004142 is 24140011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24140011 = 7 ⋅3448573.

It is a super-2 number, since 2×11004142² = 242182282312328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751034 + ... + 2751037.

It is an arithmetic number, because the mean of its divisors is an integer number (4126554).

Almost surely, 2^11004142 is an apocalyptic number.

11004142 is a deficient number, since it is larger than the sum of its proper divisors (5502074).

11004142 is an equidigital number, since it uses as much as digits as its factorization.

11004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502073.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11004142 is about 3317.2491615795. The cubic root of 11004142 is about 222.4259198738.

Adding to 11004142 its reverse (24140011), we get a palindrome (35144153).

The spelling of 11004142 in words is "eleven million, four thousand, one hundred forty-two".