13545557624741 has 2 divisors, whose sum is σ = 13545557624742. Its totient is φ = 13545557624740.

The previous prime is 13545557624723. The next prime is 13545557624743. The reversal of 13545557624741 is 14742675554531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9141733660900 + 4403823963841 = 3023530^2 + 2098529^2 .

It is a cyclic number.

It is not a de Polignac number, because 13545557624741 - 2³⁸ = 13270679717797 is a prime.

It is a Sophie Germain prime.

Together with 13545557624743, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13545557624743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6772778812370 + 6772778812371.

It is an arithmetic number, because the mean of its divisors is an integer number (6772778812371).

Almost surely, 2^{13545557624741} is an apocalyptic number.

It is an amenable number.

13545557624741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13545557624741 is an equidigital number, since it uses as much as digits as its factorization.

13545557624741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560000, while the sum is 59.

The spelling of 13545557624741 in words is "thirteen trillion, five hundred forty-five billion, five hundred fifty-seven million, six hundred twenty-four thousand, seven hundred forty-one".