5215511226 has 32 divisors (see below), whose sum is σ = 11087642880. Its totient is φ = 1629863936.

The previous prime is 5215511221. The next prime is 5215511233. The reversal of 5215511226 is 6221155125.

It is a junction number, because it is equal to n+sod(n) for n = 5215511193 and 5215511202.

It is not an unprimeable number, because it can be changed into a prime (5215511221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73266 + ... + 125693.

It is an arithmetic number, because the mean of its divisors is an integer number (346488840).

Almost surely, 2^5215511226 is an apocalyptic number.

5215511226 is an abundant number, since it is smaller than the sum of its proper divisors (5872131654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5215511226 is a wasteful number, since it uses less digits than its factorization.

5215511226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199238.

The product of its digits is 6000, while the sum is 30.

The square root of 5215511226 is about 72218.4964257772. The cubic root of 5215511226 is about 1734.1991199972.

The spelling of 5215511226 in words is "five billion, two hundred fifteen million, five hundred eleven thousand, two hundred twenty-six".