11053331545 has 4 divisors (see below), whose sum is σ = 13263997860. Its totient is φ = 8842665232.

The previous prime is 11053331539. The next prime is 11053331551. The reversal of 11053331545 is 54513335011.

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

It is an interprime number because it is at equal distance from previous prime (11053331539) and next prime (11053331551).

It can be written as a sum of positive squares in 2 ways, for example, as 2600184064 + 8453147481 = 50992^2 + 91941^2 .

It is a cyclic number.

It is not a de Polignac number, because 11053331545 - 2¹⁹ = 11052807257 is a prime.

It is a super-2 number, since 2×11053331545² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105333150 + ... + 1105333159.

It is an arithmetic number, because the mean of its divisors is an integer number (3315999465).

Almost surely, 2^11053331545 is an apocalyptic number.

It is an amenable number.

11053331545 is a deficient number, since it is larger than the sum of its proper divisors (2210666315).

11053331545 is an equidigital number, since it uses as much as digits as its factorization.

11053331545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210666314.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 11053331545 its reverse (54513335011), we get a palindrome (65566666556).

The spelling of 11053331545 in words is "eleven billion, fifty-three million, three hundred thirty-one thousand, five hundred forty-five".