13261153052 has 12 divisors (see below), whose sum is σ = 26522306160. Its totient is φ = 5683351296.

The previous prime is 13261153049. The next prime is 13261153057. The reversal of 13261153052 is 25035116231.

13261153052 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261153057) 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, 236806277 + ... + 236806332.

It is an arithmetic number, because the mean of its divisors is an integer number (2210192180).

Almost surely, 2^13261153052 is an apocalyptic number.

It is an amenable number.

13261153052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13261153052 is a wasteful number, since it uses less digits than its factorization.

13261153052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473612620 (or 473612618 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 13261153052 its reverse (25035116231), we get a palindrome (38296269283).

The spelling of 13261153052 in words is "thirteen billion, two hundred sixty-one million, one hundred fifty-three thousand, fifty-two".