1123211432135 has 64 divisors (see below), whose sum is σ = 1541546065920. Its totient is φ = 778804346880.

The previous prime is 1123211432113. The next prime is 1123211432149. The reversal of 1123211432135 is 5312341123211.

It is not a de Polignac number, because 1123211432135 - 2¹⁴ = 1123211415751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123211432098 and 1123211432107.

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 63 ways as a sum of consecutive naturals, for example, 180839180 + ... + 180845390.

It is an arithmetic number, because the mean of its divisors is an integer number (24086657280).

Almost surely, 2^{1123211432135} is an apocalyptic number.

1123211432135 is a deficient number, since it is larger than the sum of its proper divisors (418334633785).

1123211432135 is a wasteful number, since it uses less digits than its factorization.

1123211432135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528.

The product of its digits is 4320, while the sum is 29.

Adding to 1123211432135 its reverse (5312341123211), we get a palindrome (6435552555346).

The spelling of 1123211432135 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, four hundred thirty-two thousand, one hundred thirty-five".