12157504583639 has 2 divisors, whose sum is σ = 12157504583640. Its totient is φ = 12157504583638.

The previous prime is 12157504583593. The next prime is 12157504583663. The reversal of 12157504583639 is 93638540575121.

It is a strong prime.

It is an emirp because it is prime and its reverse (93638540575121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12157504583639 - 2⁸ = 12157504583383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12157504513639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078752291819 + 6078752291820.

It is an arithmetic number, because the mean of its divisors is an integer number (6078752291820).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12157504583639 = 24315009167278, but 3⋅12157504583639 = 36472513750917 is not.

Almost surely, 2^{12157504583639} is an apocalyptic number.

12157504583639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157504583639 is an equidigital number, since it uses as much as digits as its factorization.

12157504583639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216000, while the sum is 59.

The spelling of 12157504583639 in words is "twelve trillion, one hundred fifty-seven billion, five hundred four million, five hundred eighty-three thousand, six hundred thirty-nine".