51112151 has 2 divisors, whose sum is σ = 51112152. Its totient is φ = 51112150.

The previous prime is 51112091. The next prime is 51112153. The reversal of 51112151 is 15121115.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51112151 is a prime.

It is a super-2 number, since 2×51112151² = 5224903959693602, which contains 22 as substring.

Together with 51112153, 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 (51112153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25556075 + 25556076.

It is an arithmetic number, because the mean of its divisors is an integer number (25556076).

Almost surely, 2^51112151 is an apocalyptic number.

51112151 is a deficient number, since it is larger than the sum of its proper divisors (1).

51112151 is an equidigital number, since it uses as much as digits as its factorization.

51112151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50, while the sum is 17.

The square root of 51112151 is about 7149.2762570767. The cubic root of 51112151 is about 371.1146106624.

Adding to 51112151 its reverse (15121115), we get a palindrome (66233266).

The spelling of 51112151 in words is "fifty-one million, one hundred twelve thousand, one hundred fifty-one".