13033405431225 has 24 divisors (see below), whose sum is σ = 23942848497120. Its totient is φ = 6951149562960.

The previous prime is 13033405431209. The next prime is 13033405431269. The reversal of 13033405431225 is 52213450433031.

13033405431225 is a `hidden beast` number, since 1 + 3 + 0 + 334 + 0 + 5 + 4 + 312 + 2 + 5 = 666.

It is not a de Polignac number, because 13033405431225 - 2⁴ = 13033405431209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13033405431225.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9654373719 + ... + 9654375068.

It is an arithmetic number, because the mean of its divisors is an integer number (997618687380).

Almost surely, 2^{13033405431225} is an apocalyptic number.

13033405431225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13033405431225 is a deficient number, since it is larger than the sum of its proper divisors (10909443065895).

13033405431225 is a wasteful number, since it uses less digits than its factorization.

13033405431225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19308748806 (or 19308748795 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 13033405431225 its reverse (52213450433031), we get a palindrome (65246855864256).

The spelling of 13033405431225 in words is "thirteen trillion, thirty-three billion, four hundred five million, four hundred thirty-one thousand, two hundred twenty-five".