25434012115 has 16 divisors (see below), whose sum is σ = 30635811360. Its totient is φ = 20270615040.

The previous prime is 25434012059. The next prime is 25434012127. The reversal of 25434012115 is 51121043452.

It is not a de Polignac number, because 25434012115 - 2⁷ = 25434011987 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4788081 + ... + 4793389.

It is an arithmetic number, because the mean of its divisors is an integer number (1914738210).

Almost surely, 2^25434012115 is an apocalyptic number.

25434012115 is a deficient number, since it is larger than the sum of its proper divisors (5201799245).

25434012115 is a wasteful number, since it uses less digits than its factorization.

25434012115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8742.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 25434012115 its reverse (51121043452), we get a palindrome (76555055567).

The spelling of 25434012115 in words is "twenty-five billion, four hundred thirty-four million, twelve thousand, one hundred fifteen".