11415137443 has 2 divisors, whose sum is σ = 11415137444. Its totient is φ = 11415137442.

The previous prime is 11415137401. The next prime is 11415137453. The reversal of 11415137443 is 34473151411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11415137443 - 2²¹ = 11413040291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11415137399 and 11415137408.

It is not a weakly prime, because it can be changed into another prime (11415137453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707568721 + 5707568722.

It is an arithmetic number, because the mean of its divisors is an integer number (5707568722).

Almost surely, 2^11415137443 is an apocalyptic number.

11415137443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11415137443 is an equidigital number, since it uses as much as digits as its factorization.

11415137443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

Adding to 11415137443 its reverse (34473151411), we get a palindrome (45888288854).

The spelling of 11415137443 in words is "eleven billion, four hundred fifteen million, one hundred thirty-seven thousand, four hundred forty-three".