1311311089777 has 8 divisors (see below), whose sum is σ = 1445022596864. Its totient is φ = 1182291214608.

The previous prime is 1311311089729. The next prime is 1311311089799. The reversal of 1311311089777 is 7779801131131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311311089777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311311089777.

It is not an unprimeable number, because it can be changed into a prime (1311311389777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172907393 + ... + 1172908510.

It is an arithmetic number, because the mean of its divisors is an integer number (180627824608).

Almost surely, 2^{1311311089777} is an apocalyptic number.

It is an amenable number.

1311311089777 is a deficient number, since it is larger than the sum of its proper divisors (133711507087).

1311311089777 is a wasteful number, since it uses less digits than its factorization.

1311311089777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345815959.

The product of its (nonzero) digits is 222264, while the sum is 49.

The spelling of 1311311089777 in words is "one trillion, three hundred eleven billion, three hundred eleven million, eighty-nine thousand, seven hundred seventy-seven".