25698563648026 has 32 divisors (see below), whose sum is σ = 41478497169408. Its totient is φ = 11912327272560.

The previous prime is 25698563648011. The next prime is 25698563648083. The reversal of 25698563648026 is 62084636589652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57478660 + ... + 57924031.

It is an arithmetic number, because the mean of its divisors is an integer number (1296203036544).

Almost surely, 2^{25698563648026} is an apocalyptic number.

25698563648026 is a deficient number, since it is larger than the sum of its proper divisors (15779933521382).

25698563648026 is a wasteful number, since it uses less digits than its factorization.

25698563648026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115402866.

The product of its (nonzero) digits is 895795200, while the sum is 70.

The spelling of 25698563648026 in words is "twenty-five trillion, six hundred ninety-eight billion, five hundred sixty-three million, six hundred forty-eight thousand, twenty-six".