13155205206 has 32 divisors (see below), whose sum is σ = 30910134528. Its totient is φ = 3679777440.

The previous prime is 13155205187. The next prime is 13155205213. The reversal of 13155205206 is 60250255131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7665346 + ... + 7667061.

It is an arithmetic number, because the mean of its divisors is an integer number (965941704).

Almost surely, 2^13155205206 is an apocalyptic number.

13155205206 is an abundant number, since it is smaller than the sum of its proper divisors (17754929322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13155205206 is a wasteful number, since it uses less digits than its factorization.

13155205206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15332436.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13155205206 in words is "thirteen billion, one hundred fifty-five million, two hundred five thousand, two hundred six".