13022253512544 has 48 divisors (see below), whose sum is σ = 35669650931712. Its totient is φ = 4152022858368.

The previous prime is 13022253512531. The next prime is 13022253512579. The reversal of 13022253512544 is 44521535222031.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2948877664 + ... + 2948882079.

It is an arithmetic number, because the mean of its divisors is an integer number (743117727744).

Almost surely, 2^{13022253512544} is an apocalyptic number.

It is an amenable number.

13022253512544 is an abundant number, since it is smaller than the sum of its proper divisors (22647397419168).

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

13022253512544 is a wasteful number, since it uses less digits than its factorization.

13022253512544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897759779 (or 5897759771 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 13022253512544 its reverse (44521535222031), we get a palindrome (57543788734575).

The spelling of 13022253512544 in words is "thirteen trillion, twenty-two billion, two hundred fifty-three million, five hundred twelve thousand, five hundred forty-four".