11312440105442 has 8 divisors (see below), whose sum is σ = 19392754466496. Its totient is φ = 4848188616612.

The previous prime is 11312440105441. The next prime is 11312440105457. The reversal of 11312440105442 is 24450104421311.

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

It is a super-2 number, since 2×11312440105442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11312440105399 and 11312440105408.

It is not an unprimeable number, because it can be changed into a prime (11312440105441) 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 3 ways as a sum of consecutive naturals, for example, 404015718038 + ... + 404015718065.

It is an arithmetic number, because the mean of its divisors is an integer number (2424094308312).

Almost surely, 2^{11312440105442} is an apocalyptic number.

11312440105442 is a deficient number, since it is larger than the sum of its proper divisors (8080314361054).

11312440105442 is an equidigital number, since it uses as much as digits as its factorization.

11312440105442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808031436112.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 11312440105442 its reverse (24450104421311), we get a palindrome (35762544526753).

The spelling of 11312440105442 in words is "eleven trillion, three hundred twelve billion, four hundred forty million, one hundred five thousand, four hundred forty-two".