16125140243 has 2 divisors, whose sum is σ = 16125140244. Its totient is φ = 16125140242.

The previous prime is 16125140233. The next prime is 16125140257. The reversal of 16125140243 is 34204152161.

It is a weak prime.

It is an emirp because it is prime and its reverse (34204152161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16125140243 - 2⁶ = 16125140179 is a prime.

It is not a weakly prime, because it can be changed into another prime (16125140233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8062570121 + 8062570122.

It is an arithmetic number, because the mean of its divisors is an integer number (8062570122).

Almost surely, 2^16125140243 is an apocalyptic number.

16125140243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16125140243 is an equidigital number, since it uses as much as digits as its factorization.

16125140243 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 29.

The spelling of 16125140243 in words is "sixteen billion, one hundred twenty-five million, one hundred forty thousand, two hundred forty-three".