28038125411712 has 768 divisors, whose sum is σ = 93109904334720. Its totient is φ = 8032482754560.

The previous prime is 28038125411701. The next prime is 28038125411713. The reversal of 28038125411712 is 21711452183082.

28038125411712 is a `hidden beast` number, since 2 + 8 + 0 + 3 + 81 + 2 + 541 + 17 + 12 = 666.

It is a super-2 number, since 2×28038125411712² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28038125411713) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2038091938 + ... + 2038105694.

Almost surely, 2^{28038125411712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28038125411712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46554952167360).

28038125411712 is an abundant number, since it is smaller than the sum of its proper divisors (65071778923008).

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

28038125411712 is a wasteful number, since it uses less digits than its factorization.

28038125411712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13971 (or 13956 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

Adding to 28038125411712 its reverse (21711452183082), we get a palindrome (49749577594794).

The spelling of 28038125411712 in words is "twenty-eight trillion, thirty-eight billion, one hundred twenty-five million, four hundred eleven thousand, seven hundred twelve".