25732612315 has 4 divisors (see below), whose sum is σ = 30879134784. Its totient is φ = 20586089848.

The previous prime is 25732612291. The next prime is 25732612327. The reversal of 25732612315 is 51321623752.

It is a happy number.

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 25732612315 - 2⁷ = 25732612187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2573261227 + ... + 2573261236.

It is an arithmetic number, because the mean of its divisors is an integer number (7719783696).

Almost surely, 2^25732612315 is an apocalyptic number.

25732612315 is a deficient number, since it is larger than the sum of its proper divisors (5146522469).

25732612315 is an equidigital number, since it uses as much as digits as its factorization.

25732612315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5146522468.

The product of its digits is 75600, while the sum is 37.

The spelling of 25732612315 in words is "twenty-five billion, seven hundred thirty-two million, six hundred twelve thousand, three hundred fifteen".