1327605902057 has 4 divisors (see below), whose sum is σ = 1327609073220. Its totient is φ = 1327602730896.

The previous prime is 1327605902053. The next prime is 1327605902101. The reversal of 1327605902057 is 7502095067231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129903297241 + 1197702604816 = 360421^2 + 1094396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327605902057 - 2² = 1327605902053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327605902053) 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 3 ways as a sum of consecutive naturals, for example, 841082 + ... + 1833747.

It is an arithmetic number, because the mean of its divisors is an integer number (331902268305).

Almost surely, 2^{1327605902057} is an apocalyptic number.

It is an amenable number.

1327605902057 is a deficient number, since it is larger than the sum of its proper divisors (3171163).

1327605902057 is an equidigital number, since it uses as much as digits as its factorization.

1327605902057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171162.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 1327605902057 in words is "one trillion, three hundred twenty-seven billion, six hundred five million, nine hundred two thousand, fifty-seven".