11431500202487 has 2 divisors, whose sum is σ = 11431500202488. Its totient is φ = 11431500202486.

The previous prime is 11431500202393. The next prime is 11431500202513. The reversal of 11431500202487 is 78420200513411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (78420200513411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11431500202487 - 2³⁸ = 11156622295543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11431500202487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11431500201487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715750101243 + 5715750101244.

It is an arithmetic number, because the mean of its divisors is an integer number (5715750101244).

Almost surely, 2^{11431500202487} is an apocalyptic number.

11431500202487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11431500202487 is an equidigital number, since it uses as much as digits as its factorization.

11431500202487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 11431500202487 its reverse (78420200513411), we get a palindrome (89851700715898).

The spelling of 11431500202487 in words is "eleven trillion, four hundred thirty-one billion, five hundred million, two hundred two thousand, four hundred eighty-seven".