25570618601 has 16 divisors (see below), whose sum is σ = 28881351360. Its totient is φ = 22425587520.

The previous prime is 25570618517. The next prime is 25570618651. The reversal of 25570618601 is 10681607552.

It is a cyclic number.

It is not a de Polignac number, because 25570618601 - 2¹⁰ = 25570617577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25570618651) 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 15 ways as a sum of consecutive naturals, for example, 353906 + ... + 419988.

It is an arithmetic number, because the mean of its divisors is an integer number (1805084460).

Almost surely, 2^25570618601 is an apocalyptic number.

It is an amenable number.

25570618601 is a deficient number, since it is larger than the sum of its proper divisors (3310732759).

25570618601 is a wasteful number, since it uses less digits than its factorization.

25570618601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67336.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 25570618601 in words is "twenty-five billion, five hundred seventy million, six hundred eighteen thousand, six hundred one".