1311045163312 has 10 divisors (see below), whose sum is σ = 2540150003948. Its totient is φ = 655522581648.

The previous prime is 1311045163261. The next prime is 1311045163333. The reversal of 1311045163312 is 2133615401131.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40970161338 + ... + 40970161369.

Almost surely, 2^{1311045163312} is an apocalyptic number.

It is an amenable number.

1311045163312 is a deficient number, since it is larger than the sum of its proper divisors (1229104840636).

1311045163312 is an equidigital number, since it uses as much as digits as its factorization.

1311045163312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81940322715 (or 81940322709 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 1311045163312 in words is "one trillion, three hundred eleven billion, forty-five million, one hundred sixty-three thousand, three hundred twelve".