11571256025089 has 2 divisors, whose sum is σ = 11571256025090. Its totient is φ = 11571256025088.

The previous prime is 11571256025051. The next prime is 11571256025117. The reversal of 11571256025089 is 98052065217511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9043203724864 + 2528052300225 = 3007192^2 + 1589985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11571256025089 is a prime.

It is a super-3 number, since 3×11571256025089³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11571256025009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785628012544 + 5785628012545.

It is an arithmetic number, because the mean of its divisors is an integer number (5785628012545).

Almost surely, 2^{11571256025089} is an apocalyptic number.

It is an amenable number.

11571256025089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11571256025089 is an equidigital number, since it uses as much as digits as its factorization.

11571256025089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 52.

The spelling of 11571256025089 in words is "eleven trillion, five hundred seventy-one billion, two hundred fifty-six million, twenty-five thousand, eighty-nine".