11553206240201 has 4 divisors (see below), whose sum is σ = 11626793541252. Its totient is φ = 11479618939152.

The previous prime is 11553206240161. The next prime is 11553206240231. The reversal of 11553206240201 is 10204260235511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4481202103225 + 7072004136976 = 2116885^2 + 2659324^2 .

It is a cyclic number.

It is not a de Polignac number, because 11553206240201 - 2¹⁰ = 11553206239177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11553206240231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36793650290 + ... + 36793650603.

It is an arithmetic number, because the mean of its divisors is an integer number (2906698385313).

Almost surely, 2^{11553206240201} is an apocalyptic number.

It is an amenable number.

11553206240201 is a deficient number, since it is larger than the sum of its proper divisors (73587301051).

11553206240201 is an equidigital number, since it uses as much as digits as its factorization.

11553206240201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73587301050.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 11553206240201 its reverse (10204260235511), we get a palindrome (21757466475712).

The spelling of 11553206240201 in words is "eleven trillion, five hundred fifty-three billion, two hundred six million, two hundred forty thousand, two hundred one".