615226121013089 has 2 divisors, whose sum is σ = 615226121013090. Its totient is φ = 615226121013088.

The previous prime is 615226121013041. The next prime is 615226121013143. The reversal of 615226121013089 is 980310121622516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428344781106064 + 186881339907025 = 20696492^2 + 13670455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-615226121013089 is a prime.

It is not a weakly prime, because it can be changed into another prime (615226121013029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307613060506544 + 307613060506545.

It is an arithmetic number, because the mean of its divisors is an integer number (307613060506545).

Almost surely, 2^{615226121013089} is an apocalyptic number.

It is an amenable number.

615226121013089 is a deficient number, since it is larger than the sum of its proper divisors (1).

615226121013089 is an equidigital number, since it uses as much as digits as its factorization.

615226121013089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 615226121013089 in words is "six hundred fifteen trillion, two hundred twenty-six billion, one hundred twenty-one million, thirteen thousand, eighty-nine".