25113077867 has 4 divisors (see below), whose sum is σ = 25167318240. Its totient is φ = 25058837496.

The previous prime is 25113077839. The next prime is 25113077893. The reversal of 25113077867 is 76877031152.

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 25113077867 - 2¹² = 25113073771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25113077167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27119492 + ... + 27120417.

It is an arithmetic number, because the mean of its divisors is an integer number (6291829560).

Almost surely, 2^25113077867 is an apocalyptic number.

25113077867 is a deficient number, since it is larger than the sum of its proper divisors (54240373).

25113077867 is an equidigital number, since it uses as much as digits as its factorization.

25113077867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54240372.

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 25113077867 in words is "twenty-five billion, one hundred thirteen million, seventy-seven thousand, eight hundred sixty-seven".