15103412243 has 2 divisors, whose sum is σ = 15103412244. Its totient is φ = 15103412242.

The previous prime is 15103412197. The next prime is 15103412281. The reversal of 15103412243 is 34221430151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15103412243 - 2¹⁴ = 15103395859 is a prime.

It is a super-2 number, since 2×15103412243² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15103412293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7551706121 + 7551706122.

It is an arithmetic number, because the mean of its divisors is an integer number (7551706122).

Almost surely, 2^15103412243 is an apocalyptic number.

15103412243 is a deficient number, since it is larger than the sum of its proper divisors (1).

15103412243 is an equidigital number, since it uses as much as digits as its factorization.

15103412243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 15103412243 its reverse (34221430151), we get a palindrome (49324842394).

The spelling of 15103412243 in words is "fifteen billion, one hundred three million, four hundred twelve thousand, two hundred forty-three".