1376285451265 has 4 divisors (see below), whose sum is σ = 1651542541524. Its totient is φ = 1101028361008.

The previous prime is 1376285451253. The next prime is 1376285451313. The reversal of 1376285451265 is 5621545826731.

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 941165798769 + 435119652496 = 970137^2 + 659636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376285451265 - 2⁷ = 1376285451137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137628545122 + ... + 137628545131.

It is an arithmetic number, because the mean of its divisors is an integer number (412885635381).

Almost surely, 2^{1376285451265} is an apocalyptic number.

It is an amenable number.

1376285451265 is a deficient number, since it is larger than the sum of its proper divisors (275257090259).

1376285451265 is an equidigital number, since it uses as much as digits as its factorization.

1376285451265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275257090258.

The product of its digits is 12096000, while the sum is 55.

The spelling of 1376285451265 in words is "one trillion, three hundred seventy-six billion, two hundred eighty-five million, four hundred fifty-one thousand, two hundred sixty-five".