28114540505 has 8 divisors (see below), whose sum is σ = 34052752512. Its totient is φ = 22281429808.

The previous prime is 28114540501. The next prime is 28114540507. The reversal of 28114540505 is 50504541182.

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 28114540505 - 2² = 28114540501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28114540501) 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, 26274737 + ... + 26275806.

It is an arithmetic number, because the mean of its divisors is an integer number (4256594064).

Almost surely, 2^28114540505 is an apocalyptic number.

It is an amenable number.

28114540505 is a deficient number, since it is larger than the sum of its proper divisors (5938212007).

28114540505 is a wasteful number, since it uses less digits than its factorization.

28114540505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52550655.

The product of its (nonzero) digits is 32000, while the sum is 35.

The spelling of 28114540505 in words is "twenty-eight billion, one hundred fourteen million, five hundred forty thousand, five hundred five".