25859360134 has 4 divisors (see below), whose sum is σ = 38789040204. Its totient is φ = 12929680066.

The previous prime is 25859360123. The next prime is 25859360159. The reversal of 25859360134 is 43106395852.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6464840032 + ... + 6464840035.

It is an arithmetic number, because the mean of its divisors is an integer number (9697260051).

Almost surely, 2^25859360134 is an apocalyptic number.

25859360134 is a deficient number, since it is larger than the sum of its proper divisors (12929680070).

25859360134 is a wasteful number, since it uses less digits than its factorization.

25859360134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929680069.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 25859360134 in words is "twenty-five billion, eight hundred fifty-nine million, three hundred sixty thousand, one hundred thirty-four".