30521789045052 has 24 divisors (see below), whose sum is σ = 72732773895936. Its totient is φ = 9957463092528.

The previous prime is 30521789045029. The next prime is 30521789045089. The reversal of 30521789045052 is 25054098712503.

It is a junction number, because it is equal to n+sod(n) for n = 30521789044986 and 30521789045004.

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, 27058323058 + ... + 27058324185.

It is an arithmetic number, because the mean of its divisors is an integer number (3030532245664).

Almost surely, 2^{30521789045052} is an apocalyptic number.

It is an amenable number.

30521789045052 is an abundant number, since it is smaller than the sum of its proper divisors (42210984850884).

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

30521789045052 is a wasteful number, since it uses less digits than its factorization.

30521789045052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54116647297 (or 54116647295 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 30521789045052 in words is "thirty trillion, five hundred twenty-one billion, seven hundred eighty-nine million, forty-five thousand, fifty-two".