11123215314011 has 4 divisors (see below), whose sum is σ = 11506774462800. Its totient is φ = 10739656165224.

The previous prime is 11123215313981. The next prime is 11123215314019. The reversal of 11123215314011 is 11041351232111.

11123215314011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11123215314011 - 2⁴² = 6725168802907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123215314019) 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, 191779574351 + ... + 191779574408.

It is an arithmetic number, because the mean of its divisors is an integer number (2876693615700).

Almost surely, 2^{11123215314011} is an apocalyptic number.

11123215314011 is a deficient number, since it is larger than the sum of its proper divisors (383559148789).

11123215314011 is an equidigital number, since it uses as much as digits as its factorization.

11123215314011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383559148788.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 11123215314011 its reverse (11041351232111), we get a palindrome (22164566546122).

The spelling of 11123215314011 in words is "eleven trillion, one hundred twenty-three billion, two hundred fifteen million, three hundred fourteen thousand, eleven".