1157794825289 has 2 divisors, whose sum is σ = 1157794825290. Its totient is φ = 1157794825288.

The previous prime is 1157794825261. The next prime is 1157794825309. The reversal of 1157794825289 is 9825284977511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957789096889 + 200005728400 = 978667^2 + 447220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157794825289 - 2⁴⁰ = 58283197513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1157794825589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578897412644 + 578897412645.

It is an arithmetic number, because the mean of its divisors is an integer number (578897412645).

Almost surely, 2^{1157794825289} is an apocalyptic number.

It is an amenable number.

1157794825289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157794825289 is an equidigital number, since it uses as much as digits as its factorization.

1157794825289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 101606400, while the sum is 68.

The spelling of 1157794825289 in words is "one trillion, one hundred fifty-seven billion, seven hundred ninety-four million, eight hundred twenty-five thousand, two hundred eighty-nine".