11500421340 has 24 divisors (see below), whose sum is σ = 32201179920. Its totient is φ = 3066779008.

The previous prime is 11500421333. The next prime is 11500421351. The reversal of 11500421340 is 4312400511.

11500421340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 95836785 + ... + 95836904.

It is an arithmetic number, because the mean of its divisors is an integer number (1341715830).

Almost surely, 2^11500421340 is an apocalyptic number.

11500421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11500421340 is an abundant number, since it is smaller than the sum of its proper divisors (20700758580).

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

11500421340 is a wasteful number, since it uses less digits than its factorization.

11500421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191673701 (or 191673699 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11500421340 its reverse (4312400511), we get a palindrome (15812821851).

The spelling of 11500421340 in words is "eleven billion, five hundred million, four hundred twenty-one thousand, three hundred forty".