21150204006060 has 144 divisors (see below), whose sum is σ = 67345863975936. Its totient is φ = 5362530070656.

The previous prime is 21150204006031. The next prime is 21150204006149. The reversal of 21150204006060 is 6060040205112.

21150204006060 is a `hidden beast` number, since 2 + 1 + 1 + 50 + 2 + 0 + 4 + 0 + 0 + 606 + 0 = 666.

It is a super-2 number, since 2×21150204006060² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14604264 + ... + 15987023.

It is an arithmetic number, because the mean of its divisors is an integer number (467679610944).

Almost surely, 2^{21150204006060} is an apocalyptic number.

21150204006060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21150204006060 is an abundant number, since it is smaller than the sum of its proper divisors (46195659969876).

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

21150204006060 is a wasteful number, since it uses less digits than its factorization.

21150204006060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30591492 (or 30591487 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 21150204006060 in words is "twenty-one trillion, one hundred fifty billion, two hundred four million, six thousand, sixty".