2516265811 has 2 divisors, whose sum is σ = 2516265812. Its totient is φ = 2516265810.

The previous prime is 2516265767. The next prime is 2516265827. The reversal of 2516265811 is 1185626152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2516265811 - 2⁹ = 2516265299 is a prime.

It is not a weakly prime, because it can be changed into another prime (2816265811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258132905 + 1258132906.

It is an arithmetic number, because the mean of its divisors is an integer number (1258132906).

Almost surely, 2^2516265811 is an apocalyptic number.

2516265811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516265811 is an equidigital number, since it uses as much as digits as its factorization.

2516265811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 37.

The square root of 2516265811 is about 50162.3943906190. The cubic root of 2516265811 is about 1360.1459277886.

The spelling of 2516265811 in words is "two billion, five hundred sixteen million, two hundred sixty-five thousand, eight hundred eleven".