28842272628111 has 12 divisors (see below), whose sum is σ = 41891232069960. Its totient is φ = 19121948702640.

The previous prime is 28842272628107. The next prime is 28842272628121. The reversal of 28842272628111 is 11182627224882.

28842272628111 is a `hidden beast` number, since 2 + 8 + 8 + 4 + 2 + 2 + 7 + 2 + 628 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 28842272628111 - 2² = 28842272628107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28842272628121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8852752401 + ... + 8852755658.

It is an arithmetic number, because the mean of its divisors is an integer number (3490936005830).

Almost surely, 2^{28842272628111} is an apocalyptic number.

28842272628111 is a deficient number, since it is larger than the sum of its proper divisors (13048959441849).

28842272628111 is a wasteful number, since it uses less digits than its factorization.

28842272628111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17705508246 (or 17705508243 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The spelling of 28842272628111 in words is "twenty-eight trillion, eight hundred forty-two billion, two hundred seventy-two million, six hundred twenty-eight thousand, one hundred eleven".