28130011268 has 24 divisors (see below), whose sum is σ = 50695612800. Its totient is φ = 13651586208.

The previous prime is 28130011253. The next prime is 28130011277. The reversal of 28130011268 is 86211003182.

It is a super-3 number, since 3×28130011268³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735755 + ... + 773042.

It is an arithmetic number, because the mean of its divisors is an integer number (2112317200).

Almost surely, 2^28130011268 is an apocalyptic number.

It is an amenable number.

28130011268 is a deficient number, since it is larger than the sum of its proper divisors (22565601532).

28130011268 is a wasteful number, since it uses less digits than its factorization.

28130011268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508939 (or 1508937 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 28130011268 in words is "twenty-eight billion, one hundred thirty million, eleven thousand, two hundred sixty-eight".