30520641204111 has 16 divisors (see below), whose sum is σ = 40919249295360. Its totient is φ = 20234636874240.

The previous prime is 30520641204059. The next prime is 30520641204161. The reversal of 30520641204111 is 11140214602503.

It is not a de Polignac number, because 30520641204111 - 2⁹ = 30520641203599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520641204161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7487745 + ... + 10821626.

It is an arithmetic number, because the mean of its divisors is an integer number (2557453080960).

Almost surely, 2^{30520641204111} is an apocalyptic number.

30520641204111 is a deficient number, since it is larger than the sum of its proper divisors (10398608091249).

30520641204111 is a wasteful number, since it uses less digits than its factorization.

30520641204111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18312446.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 30520641204111 its reverse (11140214602503), we get a palindrome (41660855806614).

The spelling of 30520641204111 in words is "thirty trillion, five hundred twenty billion, six hundred forty-one million, two hundred four thousand, one hundred eleven".