25115401330 has 8 divisors (see below), whose sum is σ = 45207722412. Its totient is φ = 10046160528.

The previous prime is 25115401319. The next prime is 25115401349. The reversal of 25115401330 is 3310451152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24703351929 + 412049401 = 157173^2 + 20299^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25115401295 and 25115401304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255770057 + ... + 1255770076.

Almost surely, 2^25115401330 is an apocalyptic number.

25115401330 is a deficient number, since it is larger than the sum of its proper divisors (20092321082).

25115401330 is a wasteful number, since it uses less digits than its factorization.

25115401330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511540140.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 25115401330 its reverse (3310451152), we get a palindrome (28425852482).

The spelling of 25115401330 in words is "twenty-five billion, one hundred fifteen million, four hundred one thousand, three hundred thirty".