13155242412444 has 24 divisors (see below), whose sum is σ = 33486071595648. Its totient is φ = 3986437094640.

The previous prime is 13155242412413. The next prime is 13155242412581. The reversal of 13155242412444 is 44421424255131.

It is a junction number, because it is equal to n+sod(n) for n = 13155242412396 and 13155242412405.

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, 49830463552 + ... + 49830463815.

It is an arithmetic number, because the mean of its divisors is an integer number (1395252983152).

Almost surely, 2^{13155242412444} is an apocalyptic number.

It is an amenable number.

13155242412444 is an abundant number, since it is smaller than the sum of its proper divisors (20330829183204).

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

13155242412444 is a wasteful number, since it uses less digits than its factorization.

13155242412444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99660927385 (or 99660927383 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

Adding to 13155242412444 its reverse (44421424255131), we get a palindrome (57576666667575).

The spelling of 13155242412444 in words is "thirteen trillion, one hundred fifty-five billion, two hundred forty-two million, four hundred twelve thousand, four hundred forty-four".