11356566342 has 128 divisors (see below), whose sum is σ = 27852042240. Its totient is φ = 3045651840.

The previous prime is 11356566329. The next prime is 11356566371. The reversal of 11356566342 is 24366565311.

It is a junction number, because it is equal to n+sod(n) for n = 11356566294 and 11356566303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1235628 + ... + 1244784.

It is an arithmetic number, because the mean of its divisors is an integer number (217594080).

Almost surely, 2^11356566342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11356566342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13926021120).

11356566342 is an abundant number, since it is smaller than the sum of its proper divisors (16495475898).

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

11356566342 is a wasteful number, since it uses less digits than its factorization.

11356566342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9258.

The product of its digits is 388800, while the sum is 42.

The spelling of 11356566342 in words is "eleven billion, three hundred fifty-six million, five hundred sixty-six thousand, three hundred forty-two".