1091317771311 has 8 divisors (see below), whose sum is σ = 1459739214000. Its totient is φ = 725220754752.

The previous prime is 1091317771283. The next prime is 1091317771339. The reversal of 1091317771311 is 1131777131901.

It is an interprime number because it is at equal distance from previous prime (1091317771283) and next prime (1091317771339).

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

It is not a de Polignac number, because 1091317771311 - 2¹⁵ = 1091317738543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091317771111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581105436 + ... + 581107313.

It is an arithmetic number, because the mean of its divisors is an integer number (182467401750).

Almost surely, 2^{1091317771311} is an apocalyptic number.

1091317771311 is a deficient number, since it is larger than the sum of its proper divisors (368421442689).

1091317771311 is a wasteful number, since it uses less digits than its factorization.

1091317771311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162213065.

The product of its (nonzero) digits is 27783, while the sum is 42.

The spelling of 1091317771311 in words is "one trillion, ninety-one billion, three hundred seventeen million, seven hundred seventy-one thousand, three hundred eleven".