25360712663561 has 12 divisors (see below), whose sum is σ = 27876200142336. Its totient is φ = 23054882784120.

The previous prime is 25360712663557. The next prime is 25360712663563. The reversal of 25360712663561 is 16536621706352.

It is not a de Polignac number, because 25360712663561 - 2² = 25360712663557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25360712663563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7859240 + ... + 10606086.

It is an arithmetic number, because the mean of its divisors is an integer number (2323016678528).

Almost surely, 2^{25360712663561} is an apocalyptic number.

It is an amenable number.

25360712663561 is a deficient number, since it is larger than the sum of its proper divisors (2515487478775).

25360712663561 is a wasteful number, since it uses less digits than its factorization.

25360712663561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823172 (or 2823161 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 25360712663561 in words is "twenty-five trillion, three hundred sixty billion, seven hundred twelve million, six hundred sixty-three thousand, five hundred sixty-one".