28241124371 has 4 divisors (see below), whose sum is σ = 28242645912. Its totient is φ = 28239602832.

The previous prime is 28241124293. The next prime is 28241124377. The reversal of 28241124371 is 17342114282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17342114282 = 2 ⋅8671057141.

It is a cyclic number.

It is not a de Polignac number, because 28241124371 - 2¹⁸ = 28240862227 is a prime.

It is a super-2 number, since 2×28241124371² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28241124377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732581 + ... + 770166.

It is an arithmetic number, because the mean of its divisors is an integer number (7060661478).

Almost surely, 2^28241124371 is an apocalyptic number.

28241124371 is a deficient number, since it is larger than the sum of its proper divisors (1521541).

28241124371 is a wasteful number, since it uses less digits than its factorization.

28241124371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521540.

The product of its digits is 21504, while the sum is 35.

The spelling of 28241124371 in words is "twenty-eight billion, two hundred forty-one million, one hundred twenty-four thousand, three hundred seventy-one".