11331131332091 has 8 divisors (see below), whose sum is σ = 11392998842160. Its totient is φ = 11269431713248.

The previous prime is 11331131331991. The next prime is 11331131332093. The reversal of 11331131332091 is 19023313113311.

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

It is a cyclic number.

It is not a de Polignac number, because 11331131332091 - 2²² = 11331127137787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331131332093) 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, 41837456 + ... + 42107421.

It is an arithmetic number, because the mean of its divisors is an integer number (1424124855270).

Almost surely, 2^{11331131332091} is an apocalyptic number.

11331131332091 is a deficient number, since it is larger than the sum of its proper divisors (61867510069).

11331131332091 is an equidigital number, since it uses as much as digits as its factorization.

11331131332091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83945613.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 11331131332091 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-two thousand, ninety-one".