25616251411 has 4 divisors (see below), whose sum is σ = 26211978232. Its totient is φ = 25020524592.

The previous prime is 25616251337. The next prime is 25616251417. The reversal of 25616251411 is 11415261652.

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 25616251411 - 2²³ = 25607862803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25616251417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297863346 + ... + 297863431.

It is an arithmetic number, because the mean of its divisors is an integer number (6552994558).

Almost surely, 2^25616251411 is an apocalyptic number.

25616251411 is a deficient number, since it is larger than the sum of its proper divisors (595726821).

25616251411 is an equidigital number, since it uses as much as digits as its factorization.

25616251411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595726820.

The product of its digits is 14400, while the sum is 34.

The spelling of 25616251411 in words is "twenty-five billion, six hundred sixteen million, two hundred fifty-one thousand, four hundred eleven".