11521023234 has 16 divisors (see below), whose sum is σ = 26333767488. Its totient is φ = 3291720912.

The previous prime is 11521023209. The next prime is 11521023251. The reversal of 11521023234 is 43232012511.

11521023234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137154997 + ... + 137155080.

It is an arithmetic number, because the mean of its divisors is an integer number (1645860468).

Almost surely, 2^11521023234 is an apocalyptic number.

11521023234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11521023234 is an abundant number, since it is smaller than the sum of its proper divisors (14812744254).

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

11521023234 is a wasteful number, since it uses less digits than its factorization.

11521023234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274310089.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11521023234 its reverse (43232012511), we get a palindrome (54753035745).

The spelling of 11521023234 in words is "eleven billion, five hundred twenty-one million, twenty-three thousand, two hundred thirty-four".