11556333342 has 40 divisors (see below), whose sum is σ = 26151167592. Its totient is φ = 3813966000.

The previous prime is 11556333331. The next prime is 11556333407. The reversal of 11556333342 is 24333365511.

11556333342 is a `hidden beast` number, since 1 + 1 + 556 + 33 + 33 + 42 = 666.

It is a super-2 number, since 2×11556333342² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11556333297 and 11556333306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 336784 + ... + 369507.

Almost surely, 2^11556333342 is an apocalyptic number.

11556333342 is an abundant number, since it is smaller than the sum of its proper divisors (14594834250).

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

11556333342 is a wasteful number, since it uses less digits than its factorization.

11556333342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706406 (or 706397 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

Adding to 11556333342 its reverse (24333365511), we get a palindrome (35889698853).

The spelling of 11556333342 in words is "eleven billion, five hundred fifty-six million, three hundred thirty-three thousand, three hundred forty-two".