28112514004 has 24 divisors (see below), whose sum is σ = 50302986048. Its totient is φ = 13743724800.

The previous prime is 28112513983. The next prime is 28112514007. The reversal of 28112514004 is 40041521182.

It is a super-2 number, since 2×28112514004² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112514007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 404272 + ... + 468679.

It is an arithmetic number, because the mean of its divisors is an integer number (2095957752).

Almost surely, 2^28112514004 is an apocalyptic number.

It is an amenable number.

28112514004 is a deficient number, since it is larger than the sum of its proper divisors (22190472044).

28112514004 is a wasteful number, since it uses less digits than its factorization.

28112514004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873135 (or 873133 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 28112514004 in words is "twenty-eight billion, one hundred twelve million, five hundred fourteen thousand, four".