24281026561 has 24 divisors (see below), whose sum is σ = 27886001472. Its totient is φ = 21086234400.

The previous prime is 24281026513. The next prime is 24281026571. The reversal of 24281026561 is 16562018242.

It is not a de Polignac number, because 24281026561 - 2⁷ = 24281026433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24281026561.

It is not an unprimeable number, because it can be changed into a prime (24281026571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2279530 + ... + 2290156.

It is an arithmetic number, because the mean of its divisors is an integer number (1161916728).

Almost surely, 2^24281026561 is an apocalyptic number.

It is an amenable number.

24281026561 is a deficient number, since it is larger than the sum of its proper divisors (3604974911).

24281026561 is a wasteful number, since it uses less digits than its factorization.

24281026561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493 (or 11482 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 24281026561 in words is "twenty-four billion, two hundred eighty-one million, twenty-six thousand, five hundred sixty-one".