11553206240231 has 2 divisors, whose sum is σ = 11553206240232. Its totient is φ = 11553206240230.

The previous prime is 11553206240161. The next prime is 11553206240287. The reversal of 11553206240231 is 13204260235511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11553206240231 - 2¹⁰ = 11553206239207 is a prime.

It is a super-2 number, since 2×11553206240231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11553206240191 and 11553206240200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11553206240831) by changing a digit.

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 as a sum of consecutive naturals, namely, 5776603120115 + 5776603120116.

It is an arithmetic number, because the mean of its divisors is an integer number (5776603120116).

Almost surely, 2^{11553206240231} is an apocalyptic number.

11553206240231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553206240231 is an equidigital number, since it uses as much as digits as its factorization.

11553206240231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 11553206240231 its reverse (13204260235511), we get a palindrome (24757466475742).

The spelling of 11553206240231 in words is "eleven trillion, five hundred fifty-three billion, two hundred six million, two hundred forty thousand, two hundred thirty-one".