28128289159150 has 96 divisors (see below), whose sum is σ = 53822425956768. Its totient is φ = 10930279219200.

The previous prime is 28128289159129. The next prime is 28128289159151. The reversal of 28128289159150 is 5195198282182.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28128289159151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1798131229 + ... + 1798146871.

It is an arithmetic number, because the mean of its divisors is an integer number (560650270383).

Almost surely, 2^{28128289159150} is an apocalyptic number.

28128289159150 is a deficient number, since it is larger than the sum of its proper divisors (25694136797618).

28128289159150 is a wasteful number, since it uses less digits than its factorization.

28128289159150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19366 (or 19361 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 61.

The spelling of 28128289159150 in words is "twenty-eight trillion, one hundred twenty-eight billion, two hundred eighty-nine million, one hundred fifty-nine thousand, one hundred fifty".