11340015553 has 4 divisors (see below), whose sum is σ = 11340289620. Its totient is φ = 11339741488.

The previous prime is 11340015523. The next prime is 11340015623. The reversal of 11340015553 is 35551004311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35551004311 = 1321 ⋅26912191.

It can be written as a sum of positive squares in 2 ways, for example, as 3702479104 + 7637536449 = 60848^2 + 87393^2 .

It is a cyclic number.

It is not a de Polignac number, because 11340015553 - 2³³ = 2750080961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11340015523) 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 in 3 ways as a sum of consecutive naturals, for example, 60850 + ... + 162427.

It is an arithmetic number, because the mean of its divisors is an integer number (2835072405).

Almost surely, 2^11340015553 is an apocalyptic number.

It is an amenable number.

11340015553 is a deficient number, since it is larger than the sum of its proper divisors (274067).

11340015553 is an equidigital number, since it uses as much as digits as its factorization.

11340015553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274066.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 11340015553 its reverse (35551004311), we get a palindrome (46891019864).

The spelling of 11340015553 in words is "eleven billion, three hundred forty million, fifteen thousand, five hundred fifty-three".