13154245220441 has 16 divisors (see below), whose sum is σ = 14585260036368. Its totient is φ = 11784745728000.

The previous prime is 13154245220429. The next prime is 13154245220461. The reversal of 13154245220441 is 14402254245131.

It can be written as a sum of positive squares in 8 ways, for example, as 5575076545600 + 7579168674841 = 2361160^2 + 2753029^2 .

It is a cyclic number.

It is not a de Polignac number, because 13154245220441 - 2⁶ = 13154245220377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13154245220395 and 13154245220404.

It is not an unprimeable number, because it can be changed into a prime (13154245220461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33906500 + ... + 34292261.

It is an arithmetic number, because the mean of its divisors is an integer number (911578752273).

Almost surely, 2^{13154245220441} is an apocalyptic number.

It is an amenable number.

13154245220441 is a deficient number, since it is larger than the sum of its proper divisors (1431014815927).

13154245220441 is a wasteful number, since it uses less digits than its factorization.

13154245220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68199212.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 13154245220441 its reverse (14402254245131), we get a palindrome (27556499465572).

The spelling of 13154245220441 in words is "thirteen trillion, one hundred fifty-four billion, two hundred forty-five million, two hundred twenty thousand, four hundred forty-one".