25116354213 has 4 divisors (see below), whose sum is σ = 33488472288. Its totient is φ = 16744236140.

The previous prime is 25116354199. The next prime is 25116354227. The reversal of 25116354213 is 31245361152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25116354199) and next prime (25116354227).

It is a cyclic number.

It is not a de Polignac number, because 25116354213 - 2¹² = 25116350117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25116354113) 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 3 ways as a sum of consecutive naturals, for example, 4186059033 + ... + 4186059038.

It is an arithmetic number, because the mean of its divisors is an integer number (8372118072).

Almost surely, 2^25116354213 is an apocalyptic number.

It is an amenable number.

25116354213 is a deficient number, since it is larger than the sum of its proper divisors (8372118075).

25116354213 is an equidigital number, since it uses as much as digits as its factorization.

25116354213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372118074.

The product of its digits is 21600, while the sum is 33.

The spelling of 25116354213 in words is "twenty-five billion, one hundred sixteen million, three hundred fifty-four thousand, two hundred thirteen".