111356406443 has 16 divisors (see below), whose sum is σ = 118010027520. Its totient is φ = 104783040576.

The previous prime is 111356406419. The next prime is 111356406487. The reversal of 111356406443 is 344604653111.

It is a cyclic number.

It is not a de Polignac number, because 111356406443 - 2⁶ = 111356406379 is a prime.

It is a super-2 number, since 2×111356406443² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111356406397 and 111356406406.

It is not an unprimeable number, because it can be changed into a prime (111356400443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4324655 + ... + 4350327.

It is an arithmetic number, because the mean of its divisors is an integer number (7375626720).

Almost surely, 2^111356406443 is an apocalyptic number.

111356406443 is a deficient number, since it is larger than the sum of its proper divisors (6653621077).

111356406443 is a wasteful number, since it uses less digits than its factorization.

111356406443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27226.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 111356406443 in words is "one hundred eleven billion, three hundred fifty-six million, four hundred six thousand, four hundred forty-three".