15143543421241 has 2 divisors, whose sum is σ = 15143543421242. Its totient is φ = 15143543421240.

The previous prime is 15143543421199. The next prime is 15143543421277. The reversal of 15143543421241 is 14212434534151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15094002010000 + 49541411241 = 3885100^2 + 222579^2 .

It is a cyclic number.

It is not a de Polignac number, because 15143543421241 - 2³³ = 15134953486649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15143543421194 and 15143543421203.

It is not a weakly prime, because it can be changed into another prime (15143543421541) 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, 7571771710620 + 7571771710621.

It is an arithmetic number, because the mean of its divisors is an integer number (7571771710621).

Almost surely, 2^{15143543421241} is an apocalyptic number.

It is an amenable number.

15143543421241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15143543421241 is an equidigital number, since it uses as much as digits as its factorization.

15143543421241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 40.

Adding to 15143543421241 its reverse (14212434534151), we get a palindrome (29355977955392).

The spelling of 15143543421241 in words is "fifteen trillion, one hundred forty-three billion, five hundred forty-three million, four hundred twenty-one thousand, two hundred forty-one".