5421521233305 has 80 divisors (see below), whose sum is σ = 10224105249600. Its totient is φ = 2744453335680.

The previous prime is 5421521233253. The next prime is 5421521233309. The reversal of 5421521233305 is 5033321251245.

5421521233305 is a `hidden beast` number, since 54 + 2 + 152 + 123 + 330 + 5 = 666.

It is not a de Polignac number, because 5421521233305 - 2¹² = 5421521229209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5421521233305.

It is not an unprimeable number, because it can be changed into a prime (5421521233309) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3218931 + ... + 4604840.

It is an arithmetic number, because the mean of its divisors is an integer number (127801315620).

Almost surely, 2^{5421521233305} is an apocalyptic number.

It is an amenable number.

5421521233305 is a deficient number, since it is larger than the sum of its proper divisors (4802584016295).

5421521233305 is a wasteful number, since it uses less digits than its factorization.

5421521233305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823876 (or 7823867 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 5421521233305 in words is "five trillion, four hundred twenty-one billion, five hundred twenty-one million, two hundred thirty-three thousand, three hundred five".