5111112551 has 2 divisors, whose sum is σ = 5111112552. Its totient is φ = 5111112550.

The previous prime is 5111112541. The next prime is 5111112553. The reversal of 5111112551 is 1552111115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5111112551 - 2¹⁴ = 5111096167 is a prime.

It is a super-2 number, since 2×5111112551² = 52246943017979455202, which contains 22 as substring.

Together with 5111112553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111112553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555556275 + 2555556276.

It is an arithmetic number, because the mean of its divisors is an integer number (2555556276).

Almost surely, 2^5111112551 is an apocalyptic number.

5111112551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111112551 is an equidigital number, since it uses as much as digits as its factorization.

5111112551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250, while the sum is 23.

The square root of 5111112551 is about 71492.0453686982. The cubic root of 5111112551 is about 1722.5499125453.

Adding to 5111112551 its reverse (1552111115), we get a palindrome (6663223666).

The spelling of 5111112551 in words is "five billion, one hundred eleven million, one hundred twelve thousand, five hundred fifty-one".