21300605041152 has 80 divisors (see below), whose sum is σ = 56881577158560. Its totient is φ = 7083255877632.

The previous prime is 21300605041141. The next prime is 21300605041187. The reversal of 21300605041152 is 25114050600312.

It is a super-2 number, since 2×21300605041152² (a number of 27 digits) contains 22 as substring.

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, 15904843 + ... + 17192010.

It is an arithmetic number, because the mean of its divisors is an integer number (711019714482).

Almost surely, 2^{21300605041152} is an apocalyptic number.

It is an amenable number.

21300605041152 is an abundant number, since it is smaller than the sum of its proper divisors (35580972117408).

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

21300605041152 is an equidigital number, since it uses as much as digits as its factorization.

21300605041152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33097293 (or 33097277 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 21300605041152 its reverse (25114050600312), we get a palindrome (46414655641464).

The spelling of 21300605041152 in words is "twenty-one trillion, three hundred billion, six hundred five million, forty-one thousand, one hundred fifty-two".