5215122011 has 16 divisors (see below), whose sum is σ = 6037701120. Its totient is φ = 4451902080.

The previous prime is 5215121999. The next prime is 5215122043. The reversal of 5215122011 is 1102215125.

It is a cyclic number.

It is not a de Polignac number, because 5215122011 - 2¹⁴ = 5215105627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5215122811) 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, 50330 + ... + 113856.

It is an arithmetic number, because the mean of its divisors is an integer number (377356320).

Almost surely, 2^5215122011 is an apocalyptic number.

5215122011 is a deficient number, since it is larger than the sum of its proper divisors (822579109).

5215122011 is a wasteful number, since it uses less digits than its factorization.

5215122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63994.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 5215122011 is about 72215.8016711024. The cubic root of 5215122011 is about 1734.1559798925.

Adding to 5215122011 its reverse (1102215125), we get a palindrome (6317337136).

The spelling of 5215122011 in words is "five billion, two hundred fifteen million, one hundred twenty-two thousand, eleven".