11115214523 has 8 divisors (see below), whose sum is σ = 12998523648. Its totient is φ = 9305760744.

The previous prime is 11115214489. The next prime is 11115214541. The reversal of 11115214523 is 32541251111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11115214523 - 2¹⁴ = 11115198139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11115214492 and 11115214501.

It is not an unprimeable number, because it can be changed into a prime (11115214543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18463511 + ... + 18464112.

It is an arithmetic number, because the mean of its divisors is an integer number (1624815456).

Almost surely, 2^11115214523 is an apocalyptic number.

11115214523 is a deficient number, since it is larger than the sum of its proper divisors (1883309125).

11115214523 is an equidigital number, since it uses as much as digits as its factorization.

11115214523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36927673.

The product of its digits is 1200, while the sum is 26.

Adding to 11115214523 its reverse (32541251111), we get a palindrome (43656465634).

The spelling of 11115214523 in words is "eleven billion, one hundred fifteen million, two hundred fourteen thousand, five hundred twenty-three".