25130511163 has 4 divisors (see below), whose sum is σ = 25148348280. Its totient is φ = 25112674048.

The previous prime is 25130511151. The next prime is 25130511167. The reversal of 25130511163 is 36111503152.

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 25130511163 - 2¹⁷ = 25130380091 is a prime.

It is a super-2 number, since 2×25130511163² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25130511167) 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, 8916445 + ... + 8919262.

It is an arithmetic number, because the mean of its divisors is an integer number (6287087070).

Almost surely, 2^25130511163 is an apocalyptic number.

25130511163 is a deficient number, since it is larger than the sum of its proper divisors (17837117).

25130511163 is a wasteful number, since it uses less digits than its factorization.

25130511163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837116.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 25130511163 in words is "twenty-five billion, one hundred thirty million, five hundred eleven thousand, one hundred sixty-three".