24504200081 has 2 divisors, whose sum is σ = 24504200082. Its totient is φ = 24504200080.

The previous prime is 24504200059. The next prime is 24504200087. The reversal of 24504200081 is 18000240542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18510963025 + 5993237056 = 136055^2 + 77416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24504200081 is a prime.

It is a super-2 number, since 2×24504200081² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24504200081.

It is not a weakly prime, because it can be changed into another prime (24504200087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12252100040 + 12252100041.

It is an arithmetic number, because the mean of its divisors is an integer number (12252100041).

Almost surely, 2^24504200081 is an apocalyptic number.

It is an amenable number.

24504200081 is a deficient number, since it is larger than the sum of its proper divisors (1).

24504200081 is an equidigital number, since it uses as much as digits as its factorization.

24504200081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

The spelling of 24504200081 in words is "twenty-four billion, five hundred four million, two hundred thousand, eighty-one".