25541060004565 has 16 divisors (see below), whose sum is σ = 35367814579968. Its totient is φ = 17343832144896.

The previous prime is 25541060004541. The next prime is 25541060004583. The reversal of 25541060004565 is 56540006014552.

It is a cyclic number.

It is not a de Polignac number, because 25541060004565 - 2³¹ = 25538912520917 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 3542445772 + ... + 3542452981.

It is an arithmetic number, because the mean of its divisors is an integer number (2210488411248).

Almost surely, 2^{25541060004565} is an apocalyptic number.

It is an amenable number.

25541060004565 is a deficient number, since it is larger than the sum of its proper divisors (9826754575403).

25541060004565 is a wasteful number, since it uses less digits than its factorization.

25541060004565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084898868.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 25541060004565 in words is "twenty-five trillion, five hundred forty-one billion, sixty million, four thousand, five hundred sixty-five".