2518868805 has 32 divisors (see below), whose sum is σ = 4350447360. Its totient is φ = 1240673280.

The previous prime is 2518868797. The next prime is 2518868839. The reversal of 2518868805 is 5088688152.

It is not a de Polignac number, because 2518868805 - 2³ = 2518868797 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115876 + ... + 135885.

It is an arithmetic number, because the mean of its divisors is an integer number (135951480).

Almost surely, 2^2518868805 is an apocalyptic number.

It is an amenable number.

2518868805 is a deficient number, since it is larger than the sum of its proper divisors (1831578555).

2518868805 is a wasteful number, since it uses less digits than its factorization.

2518868805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251821.

The product of its (nonzero) digits is 1228800, while the sum is 51.

The square root of 2518868805 is about 50188.3333554722. Note that the first 4 decimals coincide. The cubic root of 2518868805 is about 1360.6147748593.

The spelling of 2518868805 in words is "two billion, five hundred eighteen million, eight hundred sixty-eight thousand, eight hundred five".