15120113443 has 2 divisors, whose sum is σ = 15120113444. Its totient is φ = 15120113442.

The previous prime is 15120113441. The next prime is 15120113461. The reversal of 15120113443 is 34431102151.

It is a weak prime.

It is an emirp because it is prime and its reverse (34431102151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15120113443 - 2¹ = 15120113441 is a prime.

Together with 15120113441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15120113441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560056721 + 7560056722.

It is an arithmetic number, because the mean of its divisors is an integer number (7560056722).

Almost surely, 2^15120113443 is an apocalyptic number.

15120113443 is a deficient number, since it is larger than the sum of its proper divisors (1).

15120113443 is an equidigital number, since it uses as much as digits as its factorization.

15120113443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 15120113443 its reverse (34431102151), we get a palindrome (49551215594).

The spelling of 15120113443 in words is "fifteen billion, one hundred twenty million, one hundred thirteen thousand, four hundred forty-three".