5111980265 has 16 divisors (see below), whose sum is σ = 7014229248. Its totient is φ = 3503601216.

The previous prime is 5111980261. The next prime is 5111980283. The reversal of 5111980265 is 5620891115.

It is a cyclic number.

It is not a de Polignac number, because 5111980265 - 2² = 5111980261 is a prime.

It is a super-2 number, since 2×5111980265² = 52264684459498940450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111980261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36284 + ... + 107426.

It is an arithmetic number, because the mean of its divisors is an integer number (438389328).

Almost surely, 2^5111980265 is an apocalyptic number.

It is an amenable number.

5111980265 is a deficient number, since it is larger than the sum of its proper divisors (1902248983).

5111980265 is a wasteful number, since it uses less digits than its factorization.

5111980265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73208.

The product of its (nonzero) digits is 21600, while the sum is 38.

The square root of 5111980265 is about 71498.1137163772. The cubic root of 5111980265 is about 1722.6473861764.

The spelling of 5111980265 in words is "five billion, one hundred eleven million, nine hundred eighty thousand, two hundred sixty-five".