11004142428 has 18 divisors (see below), whose sum is σ = 27816026784. Its totient is φ = 3668047464.

The previous prime is 11004142417. The next prime is 11004142441. The reversal of 11004142428 is 82424140011.

11004142428 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 414 + 242 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152835276 + ... + 152835347.

Almost surely, 2^11004142428 is an apocalyptic number.

11004142428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11004142428 is an abundant number, since it is smaller than the sum of its proper divisors (16811884356).

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

11004142428 is a wasteful number, since it uses less digits than its factorization.

11004142428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305670633 (or 305670628 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 11004142428 its reverse (82424140011), we get a palindrome (93428282439).

The spelling of 11004142428 in words is "eleven billion, four million, one hundred forty-two thousand, four hundred twenty-eight".