11556651330404 has 48 divisors (see below), whose sum is σ = 20734834241520. Its totient is φ = 5632652298240.

The previous prime is 11556651330403. The next prime is 11556651330407. The reversal of 11556651330404 is 40403315665511.

It can be written as a sum of positive squares in 8 ways, for example, as 2299832910400 + 9256818420004 = 1516520^2 + 3042502^2 .

It is a super-3 number, since 3×11556651330404³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11556651330403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478395904 + ... + 1478403720.

It is an arithmetic number, because the mean of its divisors is an integer number (431975713365).

Almost surely, 2^{11556651330404} is an apocalyptic number.

It is an amenable number.

11556651330404 is a deficient number, since it is larger than the sum of its proper divisors (9178182911116).

11556651330404 is a wasteful number, since it uses less digits than its factorization.

11556651330404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288 (or 14286 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

Adding to 11556651330404 its reverse (40403315665511), we get a palindrome (51959966995915).

The spelling of 11556651330404 in words is "eleven trillion, five hundred fifty-six billion, six hundred fifty-one million, three hundred thirty thousand, four hundred four".