25206010064 has 40 divisors (see below), whose sum is σ = 49213183488. Its totient is φ = 12506094720.

The previous prime is 25206010061. The next prime is 25206010073. The reversal of 25206010064 is 46001060252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25206010061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614134 + ... + 1629674.

Almost surely, 2^25206010064 is an apocalyptic number.

It is an amenable number.

25206010064 is a deficient number, since it is larger than the sum of its proper divisors (24007173424).

25206010064 is a wasteful number, since it uses less digits than its factorization.

25206010064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16323 (or 16317 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 25206010064 in words is "twenty-five billion, two hundred six million, ten thousand, sixty-four".