11817234452 has 48 divisors (see below), whose sum is σ = 22099123200. Its totient is φ = 5512872960.

The previous prime is 11817234439. The next prime is 11817234467. The reversal of 11817234452 is 25443271811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5596877 + ... + 5598987.

It is an arithmetic number, because the mean of its divisors is an integer number (460398400).

Almost surely, 2^11817234452 is an apocalyptic number.

It is an amenable number.

11817234452 is a deficient number, since it is larger than the sum of its proper divisors (10281888748).

11817234452 is a wasteful number, since it uses less digits than its factorization.

11817234452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216 (or 3214 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The spelling of 11817234452 in words is "eleven billion, eight hundred seventeen million, two hundred thirty-four thousand, four hundred fifty-two".