28060800111 has 40 divisors (see below), whose sum is σ = 43380143664. Its totient is φ = 18062403840.

The previous prime is 28060800109. The next prime is 28060800149. The reversal of 28060800111 is 11100806082.

It is not a de Polignac number, because 28060800111 - 2¹ = 28060800109 is a prime.

It is a super-2 number, since 2×28060800111² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060800181) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 356871 + ... + 428343.

Almost surely, 2^28060800111 is an apocalyptic number.

28060800111 is a deficient number, since it is larger than the sum of its proper divisors (15319343553).

28060800111 is a wasteful number, since it uses less digits than its factorization.

28060800111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71653 (or 71644 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The spelling of 28060800111 in words is "twenty-eight billion, sixty million, eight hundred thousand, one hundred eleven".