28151114539 has 8 divisors (see below), whose sum is σ = 29085836672. Its totient is φ = 27218056320.

The previous prime is 28151114527. The next prime is 28151114567. The reversal of 28151114539 is 93541115182.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28151114539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28151114239) 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, 381534 + ... + 449299.

It is an arithmetic number, because the mean of its divisors is an integer number (3635729584).

Almost surely, 2^28151114539 is an apocalyptic number.

28151114539 is a deficient number, since it is larger than the sum of its proper divisors (934722133).

28151114539 is a wasteful number, since it uses less digits than its factorization.

28151114539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831957.

The product of its digits is 43200, while the sum is 40.

The spelling of 28151114539 in words is "twenty-eight billion, one hundred fifty-one million, one hundred fourteen thousand, five hundred thirty-nine".