21365035214576 has 40 divisors (see below), whose sum is σ = 43833052429200. Its totient is φ = 10053374690304.

The previous prime is 21365035214561. The next prime is 21365035214617. The reversal of 21365035214576 is 67541253056312.

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, 648350 + ... + 6568898.

It is an arithmetic number, because the mean of its divisors is an integer number (1095826310730).

Almost surely, 2^{21365035214576} is an apocalyptic number.

It is an amenable number.

21365035214576 is an abundant number, since it is smaller than the sum of its proper divisors (22468017214624).

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

21365035214576 is a wasteful number, since it uses less digits than its factorization.

21365035214576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933841 (or 5933835 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 21365035214576 in words is "twenty-one trillion, three hundred sixty-five billion, thirty-five million, two hundred fourteen thousand, five hundred seventy-six".