11051551423223 has 4 divisors (see below), whose sum is σ = 11124740505648. Its totient is φ = 10978362340800.

The previous prime is 11051551423189. The next prime is 11051551423249. The reversal of 11051551423223 is 32232415515011.

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 11051551423223 - 2¹⁴ = 11051551406839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051551425223) 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, 36594540986 + ... + 36594541287.

It is an arithmetic number, because the mean of its divisors is an integer number (2781185126412).

Almost surely, 2^{11051551423223} is an apocalyptic number.

11051551423223 is a deficient number, since it is larger than the sum of its proper divisors (73189082425).

11051551423223 is an equidigital number, since it uses as much as digits as its factorization.

11051551423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73189082424.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 11051551423223 its reverse (32232415515011), we get a palindrome (43283966938234).

The spelling of 11051551423223 in words is "eleven trillion, fifty-one billion, five hundred fifty-one million, four hundred twenty-three thousand, two hundred twenty-three".