11853131018 has 8 divisors (see below), whose sum is σ = 17781310560. Its totient is φ = 5926027500.

The previous prime is 11853131009. The next prime is 11853131021. The reversal of 11853131018 is 81013135811.

It is a happy number.

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, 240878 + ... + 285881.

It is an arithmetic number, because the mean of its divisors is an integer number (2222663820).

Almost surely, 2^11853131018 is an apocalyptic number.

11853131018 is a deficient number, since it is larger than the sum of its proper divisors (5928179542).

11853131018 is a wasteful number, since it uses less digits than its factorization.

11853131018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538012.

The product of its (nonzero) digits is 2880, while the sum is 32.

Adding to 11853131018 its reverse (81013135811), we get a palindrome (92866266829).

The spelling of 11853131018 in words is "eleven billion, eight hundred fifty-three million, one hundred thirty-one thousand, eighteen".