112311421405 has 4 divisors (see below), whose sum is σ = 134773705692. Its totient is φ = 89849137120.

The previous prime is 112311421399. The next prime is 112311421429. The reversal of 112311421405 is 504124113211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41804709444 + 70506711961 = 204462^2 + 265531^2 .

It is not a de Polignac number, because 112311421405 - 2³⁵ = 77951683037 is a prime.

It is a super-2 number, since 2×112311421405² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112311421405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11231142136 + ... + 11231142145.

It is an arithmetic number, because the mean of its divisors is an integer number (33693426423).

Almost surely, 2^112311421405 is an apocalyptic number.

It is an amenable number.

112311421405 is a deficient number, since it is larger than the sum of its proper divisors (22462284287).

112311421405 is an equidigital number, since it uses as much as digits as its factorization.

112311421405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22462284286.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 112311421405 its reverse (504124113211), we get a palindrome (616435534616).

The spelling of 112311421405 in words is "one hundred twelve billion, three hundred eleven million, four hundred twenty-one thousand, four hundred five".