15231144043 has 2 divisors, whose sum is σ = 15231144044. Its totient is φ = 15231144042.

The previous prime is 15231144031. The next prime is 15231144083. The reversal of 15231144043 is 34044113251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15231144043 - 2¹⁷ = 15231012971 is a prime.

It is a super-2 number, since 2×15231144043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15231144013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7615572021 + 7615572022.

It is an arithmetic number, because the mean of its divisors is an integer number (7615572022).

Almost surely, 2^15231144043 is an apocalyptic number.

15231144043 is a deficient number, since it is larger than the sum of its proper divisors (1).

15231144043 is an equidigital number, since it uses as much as digits as its factorization.

15231144043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 15231144043 its reverse (34044113251), we get a palindrome (49275257294).

The spelling of 15231144043 in words is "fifteen billion, two hundred thirty-one million, one hundred forty-four thousand, forty-three".