11312440105443 has 32 divisors (see below), whose sum is σ = 16425255033600. Its totient is φ = 6898053052800.

The previous prime is 11312440105441. The next prime is 11312440105457. The reversal of 11312440105443 is 34450104421311.

It is not a de Polignac number, because 11312440105443 - 2¹ = 11312440105441 is a prime.

It is a super-2 number, since 2×11312440105443² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11312440105441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45649653 + ... + 45896793.

It is an arithmetic number, because the mean of its divisors is an integer number (513289219800).

Almost surely, 2^{11312440105443} is an apocalyptic number.

11312440105443 is a deficient number, since it is larger than the sum of its proper divisors (5112814928157).

11312440105443 is a wasteful number, since it uses less digits than its factorization.

11312440105443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274883.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 11312440105443 its reverse (34450104421311), we get a palindrome (45762544526754).

The spelling of 11312440105443 in words is "eleven trillion, three hundred twelve billion, four hundred forty million, one hundred five thousand, four hundred forty-three".