11051334505 has 4 divisors (see below), whose sum is σ = 13261601412. Its totient is φ = 8841067600.

The previous prime is 11051334487. The next prime is 11051334509. The reversal of 11051334505 is 50543315011.

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 4230721936 + 6820612569 = 65044^2 + 82587^2 .

It is not a de Polignac number, because 11051334505 - 2¹³ = 11051326313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051334509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105133446 + ... + 1105133455.

It is an arithmetic number, because the mean of its divisors is an integer number (3315400353).

Almost surely, 2^11051334505 is an apocalyptic number.

It is an amenable number.

11051334505 is a deficient number, since it is larger than the sum of its proper divisors (2210266907).

11051334505 is an equidigital number, since it uses as much as digits as its factorization.

11051334505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210266906.

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

Adding to 11051334505 its reverse (50543315011), we get a palindrome (61594649516).

The spelling of 11051334505 in words is "eleven billion, fifty-one million, three hundred thirty-four thousand, five hundred five".