13540224541 has 2 divisors, whose sum is σ = 13540224542. Its totient is φ = 13540224540.

The previous prime is 13540224521. The next prime is 13540224553. The reversal of 13540224541 is 14542204531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13513132516 + 27092025 = 116246^2 + 5205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13540224541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13540224521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770112270 + 6770112271.

It is an arithmetic number, because the mean of its divisors is an integer number (6770112271).

Almost surely, 2^13540224541 is an apocalyptic number.

It is an amenable number.

13540224541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540224541 is an equidigital number, since it uses as much as digits as its factorization.

13540224541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 13540224541 in words is "thirteen billion, five hundred forty million, two hundred twenty-four thousand, five hundred forty-one".