28114387511 has 8 divisors (see below), whose sum is σ = 32176052640. Its totient is φ = 24064053408.

The previous prime is 28114387493. The next prime is 28114387523. The reversal of 28114387511 is 11578341182.

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 28114387511 - 2³⁴ = 10934518327 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 (28114387541) 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, 2827436 + ... + 2837361.

It is an arithmetic number, because the mean of its divisors is an integer number (4022006580).

Almost surely, 2^28114387511 is an apocalyptic number.

28114387511 is a deficient number, since it is larger than the sum of its proper divisors (4061665129).

28114387511 is an equidigital number, since it uses as much as digits as its factorization.

28114387511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665513.

The product of its digits is 53760, while the sum is 41.

The spelling of 28114387511 in words is "twenty-eight billion, one hundred fourteen million, three hundred eighty-seven thousand, five hundred eleven".