11043326544553 has 8 divisors (see below), whose sum is σ = 11133485223848. Its totient is φ = 10953507446784.

The previous prime is 11043326544539. The next prime is 11043326544563. The reversal of 11043326544553 is 35544562334011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2280619469584 + 8762707074969 = 1510172^2 + 2960187^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11043326544553 - 2¹⁷ = 11043326413481 is a prime.

It is a super-2 number, since 2×11043326544553² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043326544563) 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, 84830076 + ... + 84960157.

It is an arithmetic number, because the mean of its divisors is an integer number (1391685652981).

Almost surely, 2^{11043326544553} is an apocalyptic number.

It is an amenable number.

11043326544553 is a deficient number, since it is larger than the sum of its proper divisors (90158679295).

11043326544553 is a wasteful number, since it uses less digits than its factorization.

11043326544553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169790763.

The product of its (nonzero) digits is 2592000, while the sum is 46.

Adding to 11043326544553 its reverse (35544562334011), we get a palindrome (46587888878564).

The spelling of 11043326544553 in words is "eleven trillion, forty-three billion, three hundred twenty-six million, five hundred forty-four thousand, five hundred fifty-three".