28323158611 has 6 divisors (see below), whose sum is σ = 31132067036. Its totient is φ = 25748325900.

The previous prime is 28323158603. The next prime is 28323158639. The reversal of 28323158611 is 11685132382.

It is not a de Polignac number, because 28323158611 - 2³ = 28323158603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28323158641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117037725 + ... + 117037966.

Almost surely, 2^28323158611 is an apocalyptic number.

28323158611 is a deficient number, since it is larger than the sum of its proper divisors (2808908425).

28323158611 is a wasteful number, since it uses less digits than its factorization.

28323158611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234075713 (or 234075702 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The spelling of 28323158611 in words is "twenty-eight billion, three hundred twenty-three million, one hundred fifty-eight thousand, six hundred eleven".