1306245011377 has 4 divisors (see below), whose sum is σ = 1308540697380. Its totient is φ = 1303949325376.

The previous prime is 1306245011369. The next prime is 1306245011419. The reversal of 1306245011377 is 7731105426031.

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 79447314496 + 1226797696881 = 281864^2 + 1107609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306245011377 - 2³ = 1306245011369 is a prime.

It is a super-2 number, since 2×1306245011377² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306245017377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147842148 + ... + 1147843285.

It is an arithmetic number, because the mean of its divisors is an integer number (327135174345).

Almost surely, 2^{1306245011377} is an apocalyptic number.

It is an amenable number.

1306245011377 is a deficient number, since it is larger than the sum of its proper divisors (2295686003).

1306245011377 is an equidigital number, since it uses as much as digits as its factorization.

1306245011377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295686002.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 1306245011377 in words is "one trillion, three hundred six billion, two hundred forty-five million, eleven thousand, three hundred seventy-seven".