5125512011 has 2 divisors, whose sum is σ = 5125512012. Its totient is φ = 5125512010.

The previous prime is 5125511983. The next prime is 5125512013. The reversal of 5125512011 is 1102155215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5125512011 - 2⁶ = 5125511947 is a prime.

Together with 5125512013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5125512013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562756005 + 2562756006.

It is an arithmetic number, because the mean of its divisors is an integer number (2562756006).

Almost surely, 2^5125512011 is an apocalyptic number.

5125512011 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125512011 is an equidigital number, since it uses as much as digits as its factorization.

5125512011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 5125512011 is about 71592.6812670122. The cubic root of 5125512011 is about 1724.1660337317.

Adding to 5125512011 its reverse (1102155215), we get a palindrome (6227667226).

The spelling of 5125512011 in words is "five billion, one hundred twenty-five million, five hundred twelve thousand, eleven".