24557560243 has 2 divisors, whose sum is σ = 24557560244. Its totient is φ = 24557560242.

The previous prime is 24557560219. The next prime is 24557560259. The reversal of 24557560243 is 34206575542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24557560243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24557560243.

It is not a weakly prime, because it can be changed into another prime (24557060243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12278780121 + 12278780122.

It is an arithmetic number, because the mean of its divisors is an integer number (12278780122).

Almost surely, 2^24557560243 is an apocalyptic number.

24557560243 is a deficient number, since it is larger than the sum of its proper divisors (1).

24557560243 is an equidigital number, since it uses as much as digits as its factorization.

24557560243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 24557560243 in words is "twenty-four billion, five hundred fifty-seven million, five hundred sixty thousand, two hundred forty-three".