1206045275757 has 12 divisors (see below), whose sum is σ = 1870600836096. Its totient is φ = 689168728920.

The previous prime is 1206045275749. The next prime is 1206045275821. The reversal of 1206045275757 is 7575725406021.

It is not a de Polignac number, because 1206045275757 - 2³ = 1206045275749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206045275957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4102194669 + ... + 4102194962.

It is an arithmetic number, because the mean of its divisors is an integer number (155883403008).

Almost surely, 2^{1206045275757} is an apocalyptic number.

It is an amenable number.

1206045275757 is a deficient number, since it is larger than the sum of its proper divisors (664555560339).

1206045275757 is an equidigital number, since it uses as much as digits as its factorization.

1206045275757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204389648 (or 8204389641 counting only the distinct ones).

The product of its (nonzero) digits is 4116000, while the sum is 51.

The spelling of 1206045275757 in words is "one trillion, two hundred six billion, forty-five million, two hundred seventy-five thousand, seven hundred fifty-seven".