25226365163 has 16 divisors (see below), whose sum is σ = 25628866560. Its totient is φ = 24827930400.

The previous prime is 25226365147. The next prime is 25226365181. The reversal of 25226365163 is 36156362252.

It is a cyclic number.

It is not a de Polignac number, because 25226365163 - 2⁴ = 25226365147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25226365163.

It is not an unprimeable number, because it can be changed into a prime (25226365133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8760758 + ... + 8763636.

It is an arithmetic number, because the mean of its divisors is an integer number (1601804160).

Almost surely, 2^25226365163 is an apocalyptic number.

25226365163 is a deficient number, since it is larger than the sum of its proper divisors (402501397).

25226365163 is a wasteful number, since it uses less digits than its factorization.

25226365163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538.

The product of its digits is 388800, while the sum is 41.

The spelling of 25226365163 in words is "twenty-five billion, two hundred twenty-six million, three hundred sixty-five thousand, one hundred sixty-three".