28812400611000 has 128 divisors (see below), whose sum is σ = 89905299831360. Its totient is φ = 7682400000000.

The previous prime is 28812400610977. The next prime is 28812400611019. The reversal of 28812400611000 is 11600421882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25048500 + ... + 26173500.

Almost surely, 2^{28812400611000} is an apocalyptic number.

28812400611000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28812400611000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44952649915680).

28812400611000 is an abundant number, since it is smaller than the sum of its proper divisors (61092899220360).

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

28812400611000 is a wasteful number, since it uses less digits than its factorization.

28812400611000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133562 (or 1133548 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 28812400611000 in words is "twenty-eight trillion, eight hundred twelve billion, four hundred million, six hundred eleven thousand".