12157790539 has 2 divisors, whose sum is σ = 12157790540. Its totient is φ = 12157790538.

The previous prime is 12157790527. The next prime is 12157790551. The reversal of 12157790539 is 93509775121.

It is a balanced prime because it is at equal distance from previous prime (12157790527) and next prime (12157790551).

It is a cyclic number.

It is not a de Polignac number, because 12157790539 - 2⁹ = 12157790027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12157790492 and 12157790501.

It is not a weakly prime, because it can be changed into another prime (12157790569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078895269 + 6078895270.

It is an arithmetic number, because the mean of its divisors is an integer number (6078895270).

Almost surely, 2^12157790539 is an apocalyptic number.

12157790539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157790539 is an equidigital number, since it uses as much as digits as its factorization.

12157790539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 49.

The spelling of 12157790539 in words is "twelve billion, one hundred fifty-seven million, seven hundred ninety thousand, five hundred thirty-nine".