11243014220453 has 8 divisors (see below), whose sum is σ = 11369480938200. Its totient is φ = 11116550629888.

The previous prime is 11243014220447. The next prime is 11243014220467. The reversal of 11243014220453 is 35402241034211.

It can be written as a sum of positive squares in 4 ways, for example, as 5475029054884 + 5767985165569 = 2339878^2 + 2401663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11243014220453 is a prime.

It is a super-2 number, since 2×11243014220453² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243014220483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6867725 + ... + 8345757.

It is an arithmetic number, because the mean of its divisors is an integer number (1421185117275).

Almost surely, 2^{11243014220453} is an apocalyptic number.

It is an amenable number.

11243014220453 is a deficient number, since it is larger than the sum of its proper divisors (126466717747).

11243014220453 is an equidigital number, since it uses as much as digits as its factorization.

11243014220453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563591.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 11243014220453 its reverse (35402241034211), we get a palindrome (46645255254664).

The spelling of 11243014220453 in words is "eleven trillion, two hundred forty-three billion, fourteen million, two hundred twenty thousand, four hundred fifty-three".