11123143321091 has 8 divisors (see below), whose sum is σ = 11363965653504. Its totient is φ = 10882494309960.

The previous prime is 11123143321051. The next prime is 11123143321109. The reversal of 11123143321091 is 19012334132111.

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 11123143321091 - 2¹⁸ = 11123143058947 is a prime.

It is a super-2 number, since 2×11123143321091² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123143321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43200575 + ... + 43457288.

It is an arithmetic number, because the mean of its divisors is an integer number (1420495706688).

Almost surely, 2^{11123143321091} is an apocalyptic number.

11123143321091 is a deficient number, since it is larger than the sum of its proper divisors (240822332413).

11123143321091 is an equidigital number, since it uses as much as digits as its factorization.

11123143321091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86660641.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 11123143321091 in words is "eleven trillion, one hundred twenty-three billion, one hundred forty-three million, three hundred twenty-one thousand, ninety-one".