25115401315 has 8 divisors (see below), whose sum is σ = 30166214400. Its totient is φ = 20073832512.

The previous prime is 25115401277. The next prime is 25115401319. The reversal of 25115401315 is 51310451152.

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

It is a cyclic number.

It is not a de Polignac number, because 25115401315 - 2⁹ = 25115400803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25115401319) 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, 2305090 + ... + 2315959.

It is an arithmetic number, because the mean of its divisors is an integer number (3770776800).

Almost surely, 2^25115401315 is an apocalyptic number.

25115401315 is a deficient number, since it is larger than the sum of its proper divisors (5050813085).

25115401315 is a wasteful number, since it uses less digits than its factorization.

25115401315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622141.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 25115401315 its reverse (51310451152), we get a palindrome (76425852467).

The spelling of 25115401315 in words is "twenty-five billion, one hundred fifteen million, four hundred one thousand, three hundred fifteen".