1311264545062 has 4 divisors (see below), whose sum is σ = 1966896817596. Its totient is φ = 655632272530.

The previous prime is 1311264544883. The next prime is 1311264545077. The reversal of 1311264545062 is 2605454621131.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327816136264 + ... + 327816136267.

It is an arithmetic number, because the mean of its divisors is an integer number (491724204399).

Almost surely, 2^{1311264545062} is an apocalyptic number.

1311264545062 is a deficient number, since it is larger than the sum of its proper divisors (655632272534).

1311264545062 is an equidigital number, since it uses as much as digits as its factorization.

1311264545062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655632272533.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1311264545062 in words is "one trillion, three hundred eleven billion, two hundred sixty-four million, five hundred forty-five thousand, sixty-two".