28056137341 has 4 divisors (see below), whose sum is σ = 28411278400. Its totient is φ = 27700996284.

The previous prime is 28056137281. The next prime is 28056137363. The reversal of 28056137341 is 14373165082.

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 not a de Polignac number, because 28056137341 - 2¹¹ = 28056135293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28056137294 and 28056137303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056137041) 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, 177570411 + ... + 177570568.

It is an arithmetic number, because the mean of its divisors is an integer number (7102819600).

Almost surely, 2^28056137341 is an apocalyptic number.

It is an amenable number.

28056137341 is a deficient number, since it is larger than the sum of its proper divisors (355141059).

28056137341 is an equidigital number, since it uses as much as digits as its factorization.

28056137341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355141058.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 28056137341 in words is "twenty-eight billion, fifty-six million, one hundred thirty-seven thousand, three hundred forty-one".