11553330552145 has 32 divisors (see below), whose sum is σ = 14456717699328. Its totient is φ = 8855269049088.

The previous prime is 11553330552143. The next prime is 11553330552217. The reversal of 11553330552145 is 54125503335511.

It is a cyclic number.

It is not a de Polignac number, because 11553330552145 - 2¹ = 11553330552143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11553330552143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32633499 + ... + 32985631.

It is an arithmetic number, because the mean of its divisors is an integer number (451772428104).

Almost surely, 2^{11553330552145} is an apocalyptic number.

It is an amenable number.

11553330552145 is a deficient number, since it is larger than the sum of its proper divisors (2903387147183).

11553330552145 is a wasteful number, since it uses less digits than its factorization.

11553330552145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354889.

The product of its (nonzero) digits is 675000, while the sum is 43.

Adding to 11553330552145 its reverse (54125503335511), we get a palindrome (65678833887656).

The spelling of 11553330552145 in words is "eleven trillion, five hundred fifty-three billion, three hundred thirty million, five hundred fifty-two thousand, one hundred forty-five".