11101423513 has 4 divisors (see below), whose sum is σ = 11310884388. Its totient is φ = 10891962640.

The previous prime is 11101423499. The next prime is 11101423549. The reversal of 11101423513 is 31532410111.

It is a happy number.

11101423513 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 can be written as a sum of positive squares in 2 ways, for example, as 5323599369 + 5777824144 = 72963^2 + 76012^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101423513 - 2⁵ = 11101423481 is a prime.

It is a super-2 number, since 2×11101423513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101423313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104730358 + ... + 104730463.

It is an arithmetic number, because the mean of its divisors is an integer number (2827721097).

Almost surely, 2^11101423513 is an apocalyptic number.

It is an amenable number.

11101423513 is a deficient number, since it is larger than the sum of its proper divisors (209460875).

11101423513 is an equidigital number, since it uses as much as digits as its factorization.

11101423513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209460874.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 11101423513 its reverse (31532410111), we get a palindrome (42633833624).

The spelling of 11101423513 in words is "eleven billion, one hundred one million, four hundred twenty-three thousand, five hundred thirteen".