28411128519 has 8 divisors (see below), whose sum is σ = 38132376192. Its totient is φ = 18815316600.

The previous prime is 28411128463. The next prime is 28411128533. The reversal of 28411128519 is 91582111482.

It is a happy number.

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

It is not a de Polignac number, because 28411128519 - 2¹⁹ = 28410604231 is a prime.

It is a super-2 number, since 2×28411128519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28411124519) 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, 31358409 + ... + 31359314.

It is an arithmetic number, because the mean of its divisors is an integer number (4766547024).

Almost surely, 2^28411128519 is an apocalyptic number.

28411128519 is a deficient number, since it is larger than the sum of its proper divisors (9721247673).

28411128519 is a wasteful number, since it uses less digits than its factorization.

28411128519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62717877.

The product of its digits is 46080, while the sum is 42.

The spelling of 28411128519 in words is "twenty-eight billion, four hundred eleven million, one hundred twenty-eight thousand, five hundred nineteen".