6541011420 has 24 divisors (see below), whose sum is σ = 18314832144. Its totient is φ = 1744269696.

The previous prime is 6541011371. The next prime is 6541011457. The reversal of 6541011420 is 241101456.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54508369 + ... + 54508488.

It is an arithmetic number, because the mean of its divisors is an integer number (763118006).

Almost surely, 2^6541011420 is an apocalyptic number.

6541011420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6541011420 is an abundant number, since it is smaller than the sum of its proper divisors (11773820724).

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

6541011420 is a wasteful number, since it uses less digits than its factorization.

6541011420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109016869 (or 109016867 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 6541011420 is about 80876.5195838693. The cubic root of 6541011420 is about 1870.1723672700.

Adding to 6541011420 its reverse (241101456), we get a palindrome (6782112876).

The spelling of 6541011420 in words is "six billion, five hundred forty-one million, eleven thousand, four hundred twenty".