25498608159 has 16 divisors (see below), whose sum is σ = 36028447488. Its totient is φ = 15985610112.

The previous prime is 25498608139. The next prime is 25498608203. The reversal of 25498608159 is 95180689452.

It is a happy number.

It is not a de Polignac number, because 25498608159 - 2¹³ = 25498599967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25498608099 and 25498608108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25498608139) 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, 150067 + ... + 271140.

It is an arithmetic number, because the mean of its divisors is an integer number (2251777968).

Almost surely, 2^25498608159 is an apocalyptic number.

25498608159 is a deficient number, since it is larger than the sum of its proper divisors (10529839329).

25498608159 is a wasteful number, since it uses less digits than its factorization.

25498608159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422414.

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 25498608159 in words is "twenty-five billion, four hundred ninety-eight million, six hundred eight thousand, one hundred fifty-nine".