1011506216 has 48 divisors (see below), whose sum is σ = 2211235200. Its totient is φ = 432517344.

The previous prime is 1011506201. The next prime is 1011506233. The reversal of 1011506216 is 6126051101.

It is a junction number, because it is equal to n+sod(n) for n = 1011506191 and 1011506200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185075 + ... + 190461.

It is an arithmetic number, because the mean of its divisors is an integer number (46067400).

Almost surely, 2^1011506216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011506216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105617600).

1011506216 is an abundant number, since it is smaller than the sum of its proper divisors (1199728984).

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

1011506216 is a wasteful number, since it uses less digits than its factorization.

1011506216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1011506216 is about 31804.1855107154. The cubic root of 1011506216 is about 1003.8207883175.

Adding to 1011506216 its reverse (6126051101), we get a palindrome (7137557317).

The spelling of 1011506216 in words is "one billion, eleven million, five hundred six thousand, two hundred sixteen".