1123626164436 has 60 divisors (see below), whose sum is σ = 2939194197940. Its totient is φ = 374310823680.

The previous prime is 1123626164413. The next prime is 1123626164459. The reversal of 1123626164436 is 6344616263211.

1123626164436 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 626 + 16 + 4 + 4 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1123626164413) and next prime (1123626164459).

It can be written as a sum of positive squares in 2 ways, for example, as 419134528836 + 704491635600 = 647406^2 + 839340^2 .

It is a super-2 number, since 2×1123626164436² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1123626164391 and 1123626164400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 544501 + ... + 1594908.

Almost surely, 2^{1123626164436} is an apocalyptic number.

It is an amenable number.

1123626164436 is an abundant number, since it is smaller than the sum of its proper divisors (1815568033504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123626164436 is a wasteful number, since it uses less digits than its factorization.

1123626164436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141046 (or 2141035 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 1123626164436 in words is "one trillion, one hundred twenty-three billion, six hundred twenty-six million, one hundred sixty-four thousand, four hundred thirty-six".