11111011302997 has 16 divisors (see below), whose sum is σ = 11511699536880. Its totient is φ = 10711499097600.

The previous prime is 11111011302983. The next prime is 11111011303099. The reversal of 11111011302997 is 79920311011111.

It can be written as a sum of positive squares in 8 ways, for example, as 2195239309956 + 8915771993041 = 1481634^2 + 2985929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111011302997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111011312997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108815347 + ... + 108917407.

It is an arithmetic number, because the mean of its divisors is an integer number (719481221055).

Almost surely, 2^{11111011302997} is an apocalyptic number.

It is an amenable number.

11111011302997 is a deficient number, since it is larger than the sum of its proper divisors (400688233883).

11111011302997 is a wasteful number, since it uses less digits than its factorization.

11111011302997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107784.

The product of its (nonzero) digits is 3402, while the sum is 37.

The spelling of 11111011302997 in words is "eleven trillion, one hundred eleven billion, eleven million, three hundred two thousand, nine hundred ninety-seven".