28118395820459 has 8 divisors (see below), whose sum is σ = 32419692780000. Its totient is φ = 23888194678656.

The previous prime is 28118395820351. The next prime is 28118395820461. The reversal of 28118395820459 is 95402859381182.

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

It is a de Polignac number, because none of the positive numbers 2^k-28118395820459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28118395820395 and 28118395820404.

It is not an unprimeable number, because it can be changed into a prime (28118395820959) 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, 17773953584 + ... + 17773955165.

It is an arithmetic number, because the mean of its divisors is an integer number (4052461597500).

Almost surely, 2^{28118395820459} is an apocalyptic number.

28118395820459 is a deficient number, since it is larger than the sum of its proper divisors (4301296959541).

28118395820459 is a wasteful number, since it uses less digits than its factorization.

28118395820459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35547908869.

The product of its (nonzero) digits is 49766400, while the sum is 65.

The spelling of 28118395820459 in words is "twenty-eight trillion, one hundred eighteen billion, three hundred ninety-five million, eight hundred twenty thousand, four hundred fifty-nine".