21411600546 has 16 divisors (see below), whose sum is σ = 48940801344. Its totient is φ = 6117600144.

The previous prime is 21411600541. The next prime is 21411600563. The reversal of 21411600546 is 64500611412.

It is not an unprimeable number, because it can be changed into a prime (21411600541) by changing a digit.

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, 254899965 + ... + 254900048.

It is an arithmetic number, because the mean of its divisors is an integer number (3058800084).

Almost surely, 2^21411600546 is an apocalyptic number.

21411600546 is an abundant number, since it is smaller than the sum of its proper divisors (27529200798).

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

21411600546 is a wasteful number, since it uses less digits than its factorization.

21411600546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509800025.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 21411600546 in words is "twenty-one billion, four hundred eleven million, six hundred thousand, five hundred forty-six".