4123111022405 has 8 divisors (see below), whose sum is σ = 4959830376600. Its totient is φ = 3290424051456.

The previous prime is 4123111022389. The next prime is 4123111022431. The reversal of 4123111022405 is 5042201113214.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1289403399361 + 2833707623044 = 1135519^2 + 1683362^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4123111022405 - 2⁴ = 4123111022389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008093560 + ... + 1008097649.

It is an arithmetic number, because the mean of its divisors is an integer number (619978797075).

Almost surely, 2^{4123111022405} is an apocalyptic number.

It is an amenable number.

4123111022405 is a deficient number, since it is larger than the sum of its proper divisors (836719354195).

4123111022405 is a wasteful number, since it uses less digits than its factorization.

4123111022405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016191623.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 4123111022405 its reverse (5042201113214), we get a palindrome (9165312135619).

The spelling of 4123111022405 in words is "four trillion, one hundred twenty-three billion, one hundred eleven million, twenty-two thousand, four hundred five".