111405213133 has 4 divisors (see below), whose sum is σ = 112486817248. Its totient is φ = 110323609020.

The previous prime is 111405213121. The next prime is 111405213167. The reversal of 111405213133 is 331312504111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111405213133 - 2²⁵ = 111371658701 is a prime.

It is a super-2 number, since 2×111405213133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111405213098 and 111405213107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111405213193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540801903 + ... + 540802108.

It is an arithmetic number, because the mean of its divisors is an integer number (28121704312).

Almost surely, 2^111405213133 is an apocalyptic number.

It is an amenable number.

111405213133 is a deficient number, since it is larger than the sum of its proper divisors (1081604115).

111405213133 is a wasteful number, since it uses less digits than its factorization.

111405213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081604114.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 111405213133 its reverse (331312504111), we get a palindrome (442717717244).

The spelling of 111405213133 in words is "one hundred eleven billion, four hundred five million, two hundred thirteen thousand, one hundred thirty-three".