2051015216 has 20 divisors (see below), whose sum is σ = 3983075424. Its totient is φ = 1023124800.

The previous prime is 2051015209. The next prime is 2051015221. The reversal of 2051015216 is 6125101502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2051015191 and 2051015200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141815 + ... + 155606.

Almost surely, 2^2051015216 is an apocalyptic number.

It is an amenable number.

2051015216 is a deficient number, since it is larger than the sum of its proper divisors (1932060208).

2051015216 is a wasteful number, since it uses less digits than its factorization.

2051015216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297860 (or 297854 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 2051015216 is about 45288.1354882269. The cubic root of 2051015216 is about 1270.5437595469.

Adding to 2051015216 its reverse (6125101502), we get a palindrome (8176116718).

The spelling of 2051015216 in words is "two billion, fifty-one million, fifteen thousand, two hundred sixteen".