13053012868 has 48 divisors (see below), whose sum is σ = 27040204800. Its totient is φ = 5394453120.

The previous prime is 13053012857. The next prime is 13053012893. The reversal of 13053012868 is 86821035031.

It is a super-2 number, since 2×13053012868² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663453 + ... + 682843.

It is an arithmetic number, because the mean of its divisors is an integer number (563337600).

Almost surely, 2^13053012868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13053012868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13520102400).

13053012868 is an abundant number, since it is smaller than the sum of its proper divisors (13987191932).

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

13053012868 is a wasteful number, since it uses less digits than its factorization.

13053012868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260 (or 20258 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

Adding to 13053012868 its reverse (86821035031), we get a palindrome (99874047899).

The spelling of 13053012868 in words is "thirteen billion, fifty-three million, twelve thousand, eight hundred sixty-eight".