11331131321197 has 16 divisors (see below), whose sum is σ = 12280227782400. Its totient is φ = 10414441074688.

The previous prime is 11331131321183. The next prime is 11331131321267. The reversal of 11331131321197 is 79112313113311.

It is not a de Polignac number, because 11331131321197 - 2¹¹ = 11331131319149 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 (11331131321117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15433723 + ... + 16151224.

It is an arithmetic number, because the mean of its divisors is an integer number (767514236400).

Almost surely, 2^{11331131321197} is an apocalyptic number.

11331131321197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11331131321197 is a deficient number, since it is larger than the sum of its proper divisors (949096461203).

11331131321197 is a wasteful number, since it uses less digits than its factorization.

11331131321197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31585460.

The product of its digits is 10206, while the sum is 37.

The spelling of 11331131321197 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred ninety-seven".