11553330552331 has 2 divisors, whose sum is σ = 11553330552332. Its totient is φ = 11553330552330.

The previous prime is 11553330552223. The next prime is 11553330552347. The reversal of 11553330552331 is 13325503335511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11553330552331 - 2³¹ = 11551183068683 is a prime.

It is a super-2 number, since 2×11553330552331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11553330552371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776665276165 + 5776665276166.

It is an arithmetic number, because the mean of its divisors is an integer number (5776665276166).

Almost surely, 2^{11553330552331} is an apocalyptic number.

11553330552331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553330552331 is an equidigital number, since it uses as much as digits as its factorization.

11553330552331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303750, while the sum is 40.

Adding to 11553330552331 its reverse (13325503335511), we get a palindrome (24878833887842).

The spelling of 11553330552331 in words is "eleven trillion, five hundred fifty-three billion, three hundred thirty million, five hundred fifty-two thousand, three hundred thirty-one".