28111732151 has 8 divisors (see below), whose sum is σ = 30099807360. Its totient is φ = 26160817408.

The previous prime is 28111732127. The next prime is 28111732189. The reversal of 28111732151 is 15123711182.

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 28111732151 - 2¹⁴ = 28111715767 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 (28111732351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9288551 + ... + 9291576.

It is an arithmetic number, because the mean of its divisors is an integer number (3762475920).

Almost surely, 2^28111732151 is an apocalyptic number.

28111732151 is a deficient number, since it is larger than the sum of its proper divisors (1988075209).

28111732151 is a wasteful number, since it uses less digits than its factorization.

28111732151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580233.

The product of its digits is 3360, while the sum is 32.

The spelling of 28111732151 in words is "twenty-eight billion, one hundred eleven million, seven hundred thirty-two thousand, one hundred fifty-one".