25344730117 has 16 divisors (see below), whose sum is σ = 29159811072. Its totient is φ = 21578439600.

The previous prime is 25344730091. The next prime is 25344730121. The reversal of 25344730117 is 71103744352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25344730117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25344730127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1796742 + ... + 1810792.

It is an arithmetic number, because the mean of its divisors is an integer number (1822488192).

Almost surely, 2^25344730117 is an apocalyptic number.

It is an amenable number.

25344730117 is a deficient number, since it is larger than the sum of its proper divisors (3815080955).

25344730117 is a wasteful number, since it uses less digits than its factorization.

25344730117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 25344730117 in words is "twenty-five billion, three hundred forty-four million, seven hundred thirty thousand, one hundred seventeen".