1225546159939 has 2 divisors, whose sum is σ = 1225546159940. Its totient is φ = 1225546159938.

The previous prime is 1225546159913. The next prime is 1225546159961. The reversal of 1225546159939 is 9399516455221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225546159939 - 2³⁵ = 1191186421571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225546159969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612773079969 + 612773079970.

It is an arithmetic number, because the mean of its divisors is an integer number (612773079970).

Almost surely, 2^{1225546159939} is an apocalyptic number.

1225546159939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225546159939 is an equidigital number, since it uses as much as digits as its factorization.

1225546159939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244000, while the sum is 61.

The spelling of 1225546159939 in words is "one trillion, two hundred twenty-five billion, five hundred forty-six million, one hundred fifty-nine thousand, nine hundred thirty-nine".