5781155640089 has 2 divisors, whose sum is σ = 5781155640090. Its totient is φ = 5781155640088.

The previous prime is 5781155640079. The next prime is 5781155640103. The reversal of 5781155640089 is 9800465511875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5760321604489 + 20834035600 = 2400067^2 + 144340^2 .

It is a cyclic number.

It is not a de Polignac number, because 5781155640089 - 2²⁸ = 5780887204633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5781155640079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2890577820044 + 2890577820045.

It is an arithmetic number, because the mean of its divisors is an integer number (2890577820045).

Almost surely, 2^{5781155640089} is an apocalyptic number.

It is an amenable number.

5781155640089 is a deficient number, since it is larger than the sum of its proper divisors (1).

5781155640089 is an equidigital number, since it uses as much as digits as its factorization.

5781155640089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096000, while the sum is 59.

The spelling of 5781155640089 in words is "five trillion, seven hundred eighty-one billion, one hundred fifty-five million, six hundred forty thousand, eighty-nine".