5111526131 has 2 divisors, whose sum is σ = 5111526132. Its totient is φ = 5111526130.

The previous prime is 5111526113. The next prime is 5111526157. The reversal of 5111526131 is 1316251115.

Together with previous prime (5111526113) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (5111526157) can be obtained adding 5111526131 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5111526131 - 2⁶ = 5111526067 is a prime.

It is a super-2 number, since 2×5111526131² = 52255398775791658322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5111526131.

It is not a weakly prime, because it can be changed into another prime (5111526331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555763065 + 2555763066.

It is an arithmetic number, because the mean of its divisors is an integer number (2555763066).

Almost surely, 2^5111526131 is an apocalyptic number.

5111526131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111526131 is an equidigital number, since it uses as much as digits as its factorization.

5111526131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 26.

The square root of 5111526131 is about 71494.9377998191. The cubic root of 5111526131 is about 1722.5963729438.

Adding to 5111526131 its reverse (1316251115), we get a palindrome (6427777246).

The spelling of 5111526131 in words is "five billion, one hundred eleven million, five hundred twenty-six thousand, one hundred thirty-one".