30520201455211 has 6 divisors (see below), whose sum is σ = 33048502167660. Its totient is φ = 28172493650808.

The previous prime is 30520201455209. The next prime is 30520201455257. The reversal of 30520201455211 is 11255410202503.

It is not a de Polignac number, because 30520201455211 - 2¹ = 30520201455209 is a prime.

It is a super-3 number, since 3×30520201455211³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30520201459211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90296453841 + ... + 90296454178.

It is an arithmetic number, because the mean of its divisors is an integer number (5508083694610).

Almost surely, 2^{30520201455211} is an apocalyptic number.

30520201455211 is a deficient number, since it is larger than the sum of its proper divisors (2528300712449).

30520201455211 is a wasteful number, since it uses less digits than its factorization.

30520201455211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180592908045 (or 180592908032 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 30520201455211 its reverse (11255410202503), we get a palindrome (41775611657714).

The spelling of 30520201455211 in words is "thirty trillion, five hundred twenty billion, two hundred one million, four hundred fifty-five thousand, two hundred eleven".