5215500111 has 16 divisors (see below), whose sum is σ = 7056403200. Its totient is φ = 3425895360.

The previous prime is 5215500097. The next prime is 5215500119. The reversal of 5215500111 is 1110055125.

It is not a de Polignac number, because 5215500111 - 2⁹ = 5215499599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215500119) 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, 214240 + ... + 237338.

It is an arithmetic number, because the mean of its divisors is an integer number (441025200).

Almost surely, 2^5215500111 is an apocalyptic number.

5215500111 is a deficient number, since it is larger than the sum of its proper divisors (1840903089).

5215500111 is a wasteful number, since it uses less digits than its factorization.

5215500111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24206.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 5215500111 is about 72218.4194717663. The cubic root of 5215500111 is about 1734.1978880543.

Adding to 5215500111 its reverse (1110055125), we get a palindrome (6325555236).

The spelling of 5215500111 in words is "five billion, two hundred fifteen million, five hundred thousand, one hundred eleven".