25601007601 has 8 divisors (see below), whose sum is σ = 28769025600. Its totient is φ = 22604233872.

The previous prime is 25601007547. The next prime is 25601007617. The reversal of 25601007601 is 10670010652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25601007601 - 2¹³ = 25600999409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25601007601.

It is not an unprimeable number, because it can be changed into a prime (25601007671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42810751 + ... + 42811348.

It is an arithmetic number, because the mean of its divisors is an integer number (3596128200).

Almost surely, 2^25601007601 is an apocalyptic number.

It is an amenable number.

25601007601 is a deficient number, since it is larger than the sum of its proper divisors (3168017999).

25601007601 is a wasteful number, since it uses less digits than its factorization.

25601007601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85622135.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 25601007601 in words is "twenty-five billion, six hundred one million, seven thousand, six hundred one".