30521254511052 has 36 divisors (see below), whose sum is σ = 77151803164800. Its totient is φ = 10173638853792.

The previous prime is 30521254511051. The next prime is 30521254511057. The reversal of 30521254511052 is 25011545212503.

30521254511052 is a `hidden beast` number, since 3 + 0 + 5 + 2 + 1 + 2 + 545 + 1 + 105 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30521254510998 and 30521254511016.

It is not an unprimeable number, because it can be changed into a prime (30521254511051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1364983 + ... + 7931310.

Almost surely, 2^{30521254511052} is an apocalyptic number.

It is an amenable number.

30521254511052 is an abundant number, since it is smaller than the sum of its proper divisors (46630548653748).

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

30521254511052 is a wasteful number, since it uses less digits than its factorization.

30521254511052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9387502 (or 9387497 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 30521254511052 its reverse (25011545212503), we get a palindrome (55532799723555).

The spelling of 30521254511052 in words is "thirty trillion, five hundred twenty-one billion, two hundred fifty-four million, five hundred eleven thousand, fifty-two".