25613460264605 has 32 divisors (see below), whose sum is σ = 31815702309600. Its totient is φ = 19771947482112.

The previous prime is 25613460264577. The next prime is 25613460264641. The reversal of 25613460264605 is 50646206431652.

It can be written as a sum of positive squares in 16 ways, for example, as 12238655627641 + 13374804636964 = 3498379^2 + 3657158^2 .

It is a cyclic number.

It is not a de Polignac number, because 25613460264605 - 2⁶ = 25613460264541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2090376659 + ... + 2090388911.

It is an arithmetic number, because the mean of its divisors is an integer number (994240697175).

Almost surely, 2^{25613460264605} is an apocalyptic number.

It is an amenable number.

25613460264605 is a deficient number, since it is larger than the sum of its proper divisors (6202242044995).

25613460264605 is a wasteful number, since it uses less digits than its factorization.

25613460264605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20033.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 25613460264605 in words is "twenty-five trillion, six hundred thirteen billion, four hundred sixty million, two hundred sixty-four thousand, six hundred five".