2516223011 has 4 divisors (see below), whose sum is σ = 2518717800. Its totient is φ = 2513728224.

The previous prime is 2516222993. The next prime is 2516223037. The reversal of 2516223011 is 1103226152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2516223011 - 2²² = 2512028707 is a prime.

It is a super-2 number, since 2×2516223011² = 12662756482171812242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516223511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245881 + ... + 1247898.

It is an arithmetic number, because the mean of its divisors is an integer number (629679450).

Almost surely, 2^2516223011 is an apocalyptic number.

2516223011 is a deficient number, since it is larger than the sum of its proper divisors (2494789).

2516223011 is a wasteful number, since it uses less digits than its factorization.

2516223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494788.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2516223011 is about 50161.9677744006. The cubic root of 2516223011 is about 1360.1382160205.

Adding to 2516223011 its reverse (1103226152), we get a palindrome (3619449163).

The spelling of 2516223011 in words is "two billion, five hundred sixteen million, two hundred twenty-three thousand, eleven".