5211520011 has 12 divisors (see below), whose sum is σ = 7529142192. Its totient is φ = 3473704656.

The previous prime is 5211520003. The next prime is 5211520033. The reversal of 5211520011 is 1100251125.

It is not a de Polignac number, because 5211520011 - 2³ = 5211520003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5211520001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 810 + ... + 102096.

It is an arithmetic number, because the mean of its divisors is an integer number (627428516).

Almost surely, 2^5211520011 is an apocalyptic number.

5211520011 is a deficient number, since it is larger than the sum of its proper divisors (2317622181).

5211520011 is a wasteful number, since it uses less digits than its factorization.

5211520011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107010 (or 107007 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 5211520011 is about 72190.8582231850. The cubic root of 5211520011 is about 1733.7566368231.

Adding to 5211520011 its reverse (1100251125), we get a palindrome (6311771136).

The spelling of 5211520011 in words is "five billion, two hundred eleven million, five hundred twenty thousand, eleven".