28060656241 has 4 divisors (see below), whose sum is σ = 28087054912. Its totient is φ = 28034257572.

The previous prime is 28060656199. The next prime is 28060656251. The reversal of 28060656241 is 14265606082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28060656241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28060656194 and 28060656203.

It is not an unprimeable number, because it can be changed into a prime (28060656251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13197741 + ... + 13199866.

It is an arithmetic number, because the mean of its divisors is an integer number (7021763728).

Almost surely, 2^28060656241 is an apocalyptic number.

It is an amenable number.

28060656241 is a deficient number, since it is larger than the sum of its proper divisors (26398671).

28060656241 is a wasteful number, since it uses less digits than its factorization.

28060656241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26398670.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 28060656241 in words is "twenty-eight billion, sixty million, six hundred fifty-six thousand, two hundred forty-one".