11534421340 has 96 divisors (see below), whose sum is σ = 27799511040. Its totient is φ = 3986923776.

The previous prime is 11534421289. The next prime is 11534421373. The reversal of 11534421340 is 4312443511.

11534421340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11534421299 and 11534421308.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 260541 + ... + 301579.

It is an arithmetic number, because the mean of its divisors is an integer number (289578240).

Almost surely, 2^11534421340 is an apocalyptic number.

11534421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11534421340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13899755520).

11534421340 is an abundant number, since it is smaller than the sum of its proper divisors (16265089700).

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

11534421340 is a wasteful number, since it uses less digits than its factorization.

11534421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41131 (or 41129 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 11534421340 its reverse (4312443511), we get a palindrome (15846864851).

The spelling of 11534421340 in words is "eleven billion, five hundred thirty-four million, four hundred twenty-one thousand, three hundred forty".