25115322003 has 8 divisors (see below), whose sum is σ = 33890555328. Its totient is φ = 16541818344.

The previous prime is 25115321971. The next prime is 25115322017. The reversal of 25115322003 is 30022351152.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25115322003 - 2⁵ = 25115321971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25115322403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50432125 + ... + 50432622.

It is an arithmetic number, because the mean of its divisors is an integer number (4236319416).

Almost surely, 2^25115322003 is an apocalyptic number.

25115322003 is a deficient number, since it is larger than the sum of its proper divisors (8775233325).

25115322003 is a wasteful number, since it uses less digits than its factorization.

25115322003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100864833.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 25115322003 its reverse (30022351152), we get a palindrome (55137673155).

The spelling of 25115322003 in words is "twenty-five billion, one hundred fifteen million, three hundred twenty-two thousand, three".