12157360250617 has 2 divisors, whose sum is σ = 12157360250618. Its totient is φ = 12157360250616.

The previous prime is 12157360250597. The next prime is 12157360250663. The reversal of 12157360250617 is 71605206375121.

It is an a-pointer prime, because the next prime (12157360250663) can be obtained adding 12157360250617 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12150599464441 + 6760786176 = 3485771^2 + 82224^2 .

It is a cyclic number.

It is not a de Polignac number, because 12157360250617 - 2³¹ = 12155212766969 is a prime.

It is not a weakly prime, because it can be changed into another prime (12157360250677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078680125308 + 6078680125309.

It is an arithmetic number, because the mean of its divisors is an integer number (6078680125309).

Almost surely, 2^{12157360250617} is an apocalyptic number.

It is an amenable number.

12157360250617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157360250617 is an equidigital number, since it uses as much as digits as its factorization.

12157360250617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 12157360250617 in words is "twelve trillion, one hundred fifty-seven billion, three hundred sixty million, two hundred fifty thousand, six hundred seventeen".