25026059138 has 8 divisors (see below), whose sum is σ = 37596577788. Its totient is φ = 12493866544.

The previous prime is 25026059137. The next prime is 25026059143. The reversal of 25026059138 is 83195062052.

It can be written as a sum of positive squares in 2 ways, for example, as 19055869849 + 5970189289 = 138043^2 + 77267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25026059095 and 25026059104.

It is not an unprimeable number, because it can be changed into a prime (25026059137) 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, 9579881 + ... + 9582492.

Almost surely, 2^25026059138 is an apocalyptic number.

25026059138 is a deficient number, since it is larger than the sum of its proper divisors (12570518650).

25026059138 is a wasteful number, since it uses less digits than its factorization.

25026059138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163028.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 25026059138 in words is "twenty-five billion, twenty-six million, fifty-nine thousand, one hundred thirty-eight".