1123113535405 has 16 divisors (see below), whose sum is σ = 1394266215600. Its totient is φ = 867473349120.

The previous prime is 1123113535399. The next prime is 1123113535459. The reversal of 1123113535405 is 5045353113211.

It can be written as a sum of positive squares in 8 ways, for example, as 18382207561 + 1104731327844 = 135581^2 + 1051062^2 .

It is not a de Polignac number, because 1123113535405 - 2¹⁹ = 1123113011117 is a prime.

It is a super-2 number, since 2×1123113535405² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3787945 + ... + 4073665.

It is an arithmetic number, because the mean of its divisors is an integer number (87141638475).

Almost surely, 2^{1123113535405} is an apocalyptic number.

It is an amenable number.

1123113535405 is a deficient number, since it is larger than the sum of its proper divisors (271152680195).

1123113535405 is a wasteful number, since it uses less digits than its factorization.

1123113535405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312864.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 1123113535405 its reverse (5045353113211), we get a palindrome (6168466648616).

The spelling of 1123113535405 in words is "one trillion, one hundred twenty-three billion, one hundred thirteen million, five hundred thirty-five thousand, four hundred five".