13325501205 has 12 divisors (see below), whose sum is σ = 23097535500. Its totient is φ = 7106933952.

The previous prime is 13325501177. The next prime is 13325501207. The reversal of 13325501205 is 50210552331.

It is a happy number.

13325501205 is a `hidden beast` number, since 133 + 2 + 5 + 501 + 20 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10451790756 + 2873710449 = 102234^2 + 53607^2 .

It is not a de Polignac number, because 13325501205 - 2⁹ = 13325500693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13325501207) 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, 148061080 + ... + 148061169.

It is an arithmetic number, because the mean of its divisors is an integer number (1924794625).

Almost surely, 2^13325501205 is an apocalyptic number.

13325501205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13325501205 is a deficient number, since it is larger than the sum of its proper divisors (9772034295).

13325501205 is a wasteful number, since it uses less digits than its factorization.

13325501205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296122260 (or 296122257 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 13325501205 in words is "thirteen billion, three hundred twenty-five million, five hundred one thousand, two hundred five".