11052214451 has 4 divisors (see below), whose sum is σ = 11098074504. Its totient is φ = 11006354400.

The previous prime is 11052214441. The next prime is 11052214483. The reversal of 11052214451 is 15441225011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11052214451 - 2⁶ = 11052214387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11052214451.

It is not an unprimeable number, because it can be changed into a prime (11052214441) 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, 22929665 + ... + 22930146.

It is an arithmetic number, because the mean of its divisors is an integer number (2774518626).

Almost surely, 2^11052214451 is an apocalyptic number.

11052214451 is a deficient number, since it is larger than the sum of its proper divisors (45860053).

11052214451 is an equidigital number, since it uses as much as digits as its factorization.

11052214451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45860052.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 11052214451 its reverse (15441225011), we get a palindrome (26493439462).

The spelling of 11052214451 in words is "eleven billion, fifty-two million, two hundred fourteen thousand, four hundred fifty-one".