25043254240099 has 2 divisors, whose sum is σ = 25043254240100. Its totient is φ = 25043254240098.

The previous prime is 25043254240063. The next prime is 25043254240117. The reversal of 25043254240099 is 99004245234052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25043254240099 - 2⁹ = 25043254239587 is a prime.

It is not a weakly prime, because it can be changed into another prime (25043254240699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521627120049 + 12521627120050.

It is an arithmetic number, because the mean of its divisors is an integer number (12521627120050).

Almost surely, 2^{25043254240099} is an apocalyptic number.

25043254240099 is a deficient number, since it is larger than the sum of its proper divisors (1).

25043254240099 is an equidigital number, since it uses as much as digits as its factorization.

25043254240099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 25043254240099 in words is "twenty-five trillion, forty-three billion, two hundred fifty-four million, two hundred forty thousand, ninety-nine".