14111521405357 has 2 divisors, whose sum is σ = 14111521405358. Its totient is φ = 14111521405356.

The previous prime is 14111521405343. The next prime is 14111521405409. The reversal of 14111521405357 is 75350412511141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14110398217161 + 1123188196 = 3756381^2 + 33514^2 .

It is an emirp because it is prime and its reverse (75350412511141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14111521405357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14111521405307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7055760702678 + 7055760702679.

It is an arithmetic number, because the mean of its divisors is an integer number (7055760702679).

Almost surely, 2^{14111521405357} is an apocalyptic number.

It is an amenable number.

14111521405357 is a deficient number, since it is larger than the sum of its proper divisors (1).

14111521405357 is an equidigital number, since it uses as much as digits as its factorization.

14111521405357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 40.

Adding to 14111521405357 its reverse (75350412511141), we get a palindrome (89461933916498).

The spelling of 14111521405357 in words is "fourteen trillion, one hundred eleven billion, five hundred twenty-one million, four hundred five thousand, three hundred fifty-seven".