25541563305352 has 16 divisors (see below), whose sum is σ = 47915623457100. Its totient is φ = 12764063716800.

The previous prime is 25541563305341. The next prime is 25541563305353. The reversal of 25541563305352 is 25350336514552.

It can be written as a sum of positive squares in 2 ways, for example, as 21172016905636 + 4369546399716 = 4601306^2 + 2090346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25541563305296 and 25541563305305.

It is not an unprimeable number, because it can be changed into a prime (25541563305353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839725827 + ... + 839756242.

Almost surely, 2^{25541563305352} is an apocalyptic number.

It is an amenable number.

25541563305352 is a deficient number, since it is larger than the sum of its proper divisors (22374060151748).

25541563305352 is a wasteful number, since it uses less digits than its factorization.

25541563305352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679483976 (or 1679483972 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 49.

The spelling of 25541563305352 in words is "twenty-five trillion, five hundred forty-one billion, five hundred sixty-three million, three hundred five thousand, three hundred fifty-two".