25243112039 has 2 divisors, whose sum is σ = 25243112040. Its totient is φ = 25243112038.

The previous prime is 25243112023. The next prime is 25243112057. The reversal of 25243112039 is 93021134252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25243112039 - 2⁴ = 25243112023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25243111996 and 25243112014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25243112239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12621556019 + 12621556020.

It is an arithmetic number, because the mean of its divisors is an integer number (12621556020).

Almost surely, 2^25243112039 is an apocalyptic number.

25243112039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25243112039 is an equidigital number, since it uses as much as digits as its factorization.

25243112039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 25243112039 in words is "twenty-five billion, two hundred forty-three million, one hundred twelve thousand, thirty-nine".