28711360000000 has 832 divisors, whose sum is σ = 77404751843328. Its totient is φ = 10621952000000.

The previous prime is 28711359999961. The next prime is 28711360000031. The reversal of 28711360000000 is 6311782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 345919999959 + ... + 345920000041.

It is an arithmetic number, because the mean of its divisors is an integer number (93034557504).

Almost surely, 2^{28711360000000} is an apocalyptic number.

28711360000000 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 28711360000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38702375921664).

28711360000000 is an abundant number, since it is smaller than the sum of its proper divisors (48693391843328).

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

28711360000000 is an frugal number, since it uses more digits than its factorization.

28711360000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 28711360000000 its reverse (6311782), we get a palindrome (28711366311782).

The spelling of 28711360000000 in words is "twenty-eight trillion, seven hundred eleven billion, three hundred sixty million", and thus it is an aban number.