5111200505 has 8 divisors (see below), whose sum is σ = 6137281224. Its totient is φ = 4086400000.

The previous prime is 5111200487. The next prime is 5111200573. The reversal of 5111200505 is 5050021115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3931415401 + 1179785104 = 62701^2 + 34348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5111200505 - 2⁸ = 5111200249 is a prime.

It is a super-2 number, since 2×5111200505² = 52248741204624510050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311246 + ... + 327255.

It is an arithmetic number, because the mean of its divisors is an integer number (767160153).

Almost surely, 2^5111200505 is an apocalyptic number.

It is an amenable number.

5111200505 is a deficient number, since it is larger than the sum of its proper divisors (1026080719).

5111200505 is a wasteful number, since it uses less digits than its factorization.

5111200505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640107.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 5111200505 is about 71492.6604974245. The cubic root of 5111200505 is about 1722.5597932568.

The spelling of 5111200505 in words is "five billion, one hundred eleven million, two hundred thousand, five hundred five".