11839572234 has 48 divisors (see below), whose sum is σ = 29540871360. Its totient is φ = 3356907840.

The previous prime is 11839572197. The next prime is 11839572247. The reversal of 11839572234 is 43227593811.

It is a happy number.

11839572234 is a `hidden beast` number, since 1 + 18 + 39 + 572 + 2 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11839572234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342139 + ... + 375150.

It is an arithmetic number, because the mean of its divisors is an integer number (615434820).

Almost surely, 2^11839572234 is an apocalyptic number.

11839572234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11839572234 is an abundant number, since it is smaller than the sum of its proper divisors (17701299126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11839572234 is a wasteful number, since it uses less digits than its factorization.

11839572234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717435 (or 717432 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 11839572234 in words is "eleven billion, eight hundred thirty-nine million, five hundred seventy-two thousand, two hundred thirty-four".