25416011813 has 2 divisors, whose sum is σ = 25416011814. Its totient is φ = 25416011812.

The previous prime is 25416011773. The next prime is 25416011821. The reversal of 25416011813 is 31811061452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20095330564 + 5320681249 = 141758^2 + 72943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25416011813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25416011813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25416010813) 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 as a sum of consecutive naturals, namely, 12708005906 + 12708005907.

It is an arithmetic number, because the mean of its divisors is an integer number (12708005907).

Almost surely, 2^25416011813 is an apocalyptic number.

It is an amenable number.

25416011813 is a deficient number, since it is larger than the sum of its proper divisors (1).

25416011813 is an equidigital number, since it uses as much as digits as its factorization.

25416011813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 25416011813 in words is "twenty-five billion, four hundred sixteen million, eleven thousand, eight hundred thirteen".