13155454651541 has 2 divisors, whose sum is σ = 13155454651542. Its totient is φ = 13155454651540.

The previous prime is 13155454651433. The next prime is 13155454651543. The reversal of 13155454651541 is 14515645455131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9764531280625 + 3390923370916 = 3124825^2 + 1841446^2 .

It is a cyclic number.

It is not a de Polignac number, because 13155454651541 - 2¹⁰ = 13155454650517 is a prime.

It is a Sophie Germain prime.

Together with 13155454651543, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13155454651541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13155454651543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577727325770 + 6577727325771.

It is an arithmetic number, because the mean of its divisors is an integer number (6577727325771).

Almost surely, 2^{13155454651541} is an apocalyptic number.

It is an amenable number.

13155454651541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155454651541 is an equidigital number, since it uses as much as digits as its factorization.

13155454651541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600000, while the sum is 50.

The spelling of 13155454651541 in words is "thirteen trillion, one hundred fifty-five billion, four hundred fifty-four million, six hundred fifty-one thousand, five hundred forty-one".