25032440311243 has 4 divisors (see below), whose sum is σ = 25111407000240. Its totient is φ = 24953473622248.

The previous prime is 25032440311213. The next prime is 25032440311271. The reversal of 25032440311243 is 34211304423052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25032440311243 - 2⁵ = 25032440311211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25032440311199 and 25032440311208.

It is not an unprimeable number, because it can be changed into a prime (25032440311213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39483344023 + ... + 39483344656.

It is an arithmetic number, because the mean of its divisors is an integer number (6277851750060).

Almost surely, 2^{25032440311243} is an apocalyptic number.

25032440311243 is a deficient number, since it is larger than the sum of its proper divisors (78966688997).

25032440311243 is an equidigital number, since it uses as much as digits as its factorization.

25032440311243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78966688996.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 25032440311243 its reverse (34211304423052), we get a palindrome (59243744734295).

The spelling of 25032440311243 in words is "twenty-five trillion, thirty-two billion, four hundred forty million, three hundred eleven thousand, two hundred forty-three".