13154353551541 has 8 divisors (see below), whose sum is σ = 13939853218200. Its totient is φ = 12390980636160.

The previous prime is 13154353551503. The next prime is 13154353551583. The reversal of 13154353551541 is 14515535345131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3118579402500 + 10035774149041 = 1765950^2 + 3167929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13154353551541 - 2⁴¹ = 10955330295989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13154353551491 and 13154353551500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154353561541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5531686596 + ... + 5531688973.

It is an arithmetic number, because the mean of its divisors is an integer number (1742481652275).

Almost surely, 2^{13154353551541} is an apocalyptic number.

It is an amenable number.

13154353551541 is a deficient number, since it is larger than the sum of its proper divisors (785499666659).

13154353551541 is a wasteful number, since it uses less digits than its factorization.

13154353551541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063375639.

The product of its digits is 1350000, while the sum is 46.

Adding to 13154353551541 its reverse (14515535345131), we get a palindrome (27669888896672).

The spelling of 13154353551541 in words is "thirteen trillion, one hundred fifty-four billion, three hundred fifty-three million, five hundred fifty-one thousand, five hundred forty-one".