5215511234 has 16 divisors (see below), whose sum is σ = 8170889472. Its totient is φ = 2492089248.

The previous prime is 5215511233. The next prime is 5215511239. The reversal of 5215511234 is 4321155125.

It is a junction number, because it is equal to n+sod(n) for n = 5215511197 and 5215511206.

It is not an unprimeable number, because it can be changed into a prime (5215511233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659 + ... + 102134.

It is an arithmetic number, because the mean of its divisors is an integer number (510680592).

Almost surely, 2^5215511234 is an apocalyptic number.

5215511234 is a deficient number, since it is larger than the sum of its proper divisors (2955378238).

5215511234 is a wasteful number, since it uses less digits than its factorization.

5215511234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103921.

The product of its digits is 6000, while the sum is 29.

The square root of 5215511234 is about 72218.4964811647. The cubic root of 5215511234 is about 1734.1991208839.

Adding to 5215511234 its reverse (4321155125), we get a palindrome (9536666359).

The spelling of 5215511234 in words is "five billion, two hundred fifteen million, five hundred eleven thousand, two hundred thirty-four".