28111012010311 has 8 divisors (see below), whose sum is σ = 29810891167344. Its totient is φ = 26416276210560.

The previous prime is 28111012010281. The next prime is 28111012010317. The reversal of 28111012010311 is 11301021011182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28111012010311 - 2²⁷ = 28110877792583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28111012010317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285828060 + ... + 1285849921.

It is an arithmetic number, because the mean of its divisors is an integer number (3726361395918).

Almost surely, 2^{28111012010311} is an apocalyptic number.

28111012010311 is a deficient number, since it is larger than the sum of its proper divisors (1699879157033).

28111012010311 is a wasteful number, since it uses less digits than its factorization.

28111012010311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571678641.

The product of its (nonzero) digits is 96, while the sum is 22.

Adding to 28111012010311 its reverse (11301021011182), we get a palindrome (39412033021493).

The spelling of 28111012010311 in words is "twenty-eight trillion, one hundred eleven billion, twelve million, ten thousand, three hundred eleven".