25545355616350 has 24 divisors (see below), whose sum is σ = 47934842531760. Its totient is φ = 10127716206720.

The previous prime is 25545355616317. The next prime is 25545355616351. The reversal of 25545355616350 is 5361655354552.

It is a junction number, because it is equal to n+sod(n) for n = 25545355616291 and 25545355616300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545355616351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2260645290 + ... + 2260656589.

It is an arithmetic number, because the mean of its divisors is an integer number (1997285105490).

Almost surely, 2^{25545355616350} is an apocalyptic number.

25545355616350 is a deficient number, since it is larger than the sum of its proper divisors (22389486915410).

25545355616350 is a wasteful number, since it uses less digits than its factorization.

25545355616350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521302004 (or 4521301999 counting only the distinct ones).

The product of its (nonzero) digits is 40500000, while the sum is 55.

The spelling of 25545355616350 in words is "twenty-five trillion, five hundred forty-five billion, three hundred fifty-five million, six hundred sixteen thousand, three hundred fifty".