12011056504 has 16 divisors (see below), whose sum is σ = 23499893520. Its totient is φ = 5744418240.

The previous prime is 12011056493. The next prime is 12011056523. The reversal of 12011056504 is 40565011021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32638557 + ... + 32638924.

It is an arithmetic number, because the mean of its divisors is an integer number (1468743345).

Almost surely, 2^12011056504 is an apocalyptic number.

It is an amenable number.

12011056504 is a deficient number, since it is larger than the sum of its proper divisors (11488837016).

12011056504 is a wasteful number, since it uses less digits than its factorization.

12011056504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65277510 (or 65277506 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 12011056504 its reverse (40565011021), we get a palindrome (52576067525).

The spelling of 12011056504 in words is "twelve billion, eleven million, fifty-six thousand, five hundred four".