15532431241 has 2 divisors, whose sum is σ = 15532431242. Its totient is φ = 15532431240.

The previous prime is 15532431223. The next prime is 15532431247. The reversal of 15532431241 is 14213423551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15333621241 + 198810000 = 123829^2 + 14100^2 .

It is a cyclic number.

It is not a de Polignac number, because 15532431241 - 2⁷ = 15532431113 is a prime.

It is not a weakly prime, because it can be changed into another prime (15532431247) 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, 7766215620 + 7766215621.

It is an arithmetic number, because the mean of its divisors is an integer number (7766215621).

Almost surely, 2^15532431241 is an apocalyptic number.

It is an amenable number.

15532431241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15532431241 is an equidigital number, since it uses as much as digits as its factorization.

15532431241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

Adding to 15532431241 its reverse (14213423551), we get a palindrome (29745854792).

The spelling of 15532431241 in words is "fifteen billion, five hundred thirty-two million, four hundred thirty-one thousand, two hundred forty-one".