1230551235289 has 2 divisors, whose sum is σ = 1230551235290. Its totient is φ = 1230551235288.

The previous prime is 1230551235259. The next prime is 1230551235307. The reversal of 1230551235289 is 9825321550321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1227664000000 + 2887235289 = 1108000^2 + 53733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230551235289 - 2⁷ = 1230551235161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230551235259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615275617644 + 615275617645.

It is an arithmetic number, because the mean of its divisors is an integer number (615275617645).

Almost surely, 2^{1230551235289} is an apocalyptic number.

It is an amenable number.

1230551235289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230551235289 is an equidigital number, since it uses as much as digits as its factorization.

1230551235289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 1230551235289 in words is "one trillion, two hundred thirty billion, five hundred fifty-one million, two hundred thirty-five thousand, two hundred eighty-nine".