1152411543421 has 2 divisors, whose sum is σ = 1152411543422. Its totient is φ = 1152411543420.

The previous prime is 1152411543359. The next prime is 1152411543553. The reversal of 1152411543421 is 1243451142511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607642076196 + 544769467225 = 779514^2 + 738085^2 .

It is an emirp because it is prime and its reverse (1243451142511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152411543421 - 2³³ = 1143821608829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152411540421) 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, 576205771710 + 576205771711.

It is an arithmetic number, because the mean of its divisors is an integer number (576205771711).

Almost surely, 2^{1152411543421} is an apocalyptic number.

It is an amenable number.

1152411543421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152411543421 is an equidigital number, since it uses as much as digits as its factorization.

1152411543421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 34.

Adding to 1152411543421 its reverse (1243451142511), we get a palindrome (2395862685932).

The spelling of 1152411543421 in words is "one trillion, one hundred fifty-two billion, four hundred eleven million, five hundred forty-three thousand, four hundred twenty-one".