11523456218 has 8 divisors (see below), whose sum is σ = 17287394112. Its totient is φ = 5760991516.

The previous prime is 11523456173. The next prime is 11523456223. The reversal of 11523456218 is 81265432511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348530 + ... + 380157.

It is an arithmetic number, because the mean of its divisors is an integer number (2160924264).

Almost surely, 2^11523456218 is an apocalyptic number.

11523456218 is a deficient number, since it is larger than the sum of its proper divisors (5763937894).

11523456218 is an equidigital number, since it uses as much as digits as its factorization.

11523456218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736596.

The product of its digits is 57600, while the sum is 38.

Adding to 11523456218 its reverse (81265432511), we get a palindrome (92788888729).

The spelling of 11523456218 in words is "eleven billion, five hundred twenty-three million, four hundred fifty-six thousand, two hundred eighteen".