521000300012011 has 16 divisors (see below), whose sum is σ = 532255261095936. Its totient is φ = 509752426581216.

The previous prime is 521000300011967. The next prime is 521000300012029. The reversal of 521000300012011 is 110210003000125.

It is a cyclic number.

It is not a de Polignac number, because 521000300012011 - 2¹⁷ = 521000299880939 is a prime.

It is a super-2 number, since 2×521000300012011² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521000300012111) 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, 9270934765 + ... + 9270990961.

It is an arithmetic number, because the mean of its divisors is an integer number (33265953818496).

Almost surely, 2^{521000300012011} is an apocalyptic number.

521000300012011 is a deficient number, since it is larger than the sum of its proper divisors (11254961083925).

521000300012011 is a wasteful number, since it uses less digits than its factorization.

521000300012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115698.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 521000300012011 its reverse (110210003000125), we get a palindrome (631210303012136).

The spelling of 521000300012011 in words is "five hundred twenty-one trillion, three hundred million, twelve thousand, eleven".