25430113115 has 32 divisors (see below), whose sum is σ = 34327431936. Its totient is φ = 17926879360.

The previous prime is 25430113103. The next prime is 25430113129. The reversal of 25430113115 is 51131103452.

It is not a de Polignac number, because 25430113115 - 2¹⁶ = 25430047579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189392 + ... + 294498.

It is an arithmetic number, because the mean of its divisors is an integer number (1072732248).

Almost surely, 2^25430113115 is an apocalyptic number.

25430113115 is a deficient number, since it is larger than the sum of its proper divisors (8897318821).

25430113115 is a wasteful number, since it uses less digits than its factorization.

25430113115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105259.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 25430113115 its reverse (51131103452), we get a palindrome (76561216567).

The spelling of 25430113115 in words is "twenty-five billion, four hundred thirty million, one hundred thirteen thousand, one hundred fifteen".