51105151 has 8 divisors (see below), whose sum is σ = 52093440. Its totient is φ = 50121048.

The previous prime is 51105139. The next prime is 51105167. The reversal of 51105151 is 15150115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51105151 - 2⁷ = 51105023 is a prime.

It is a super-2 number, since 2×51105151² = 5223472917465602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35100 + ... + 36526.

It is an arithmetic number, because the mean of its divisors is an integer number (6511680).

Almost surely, 2^51105151 is an apocalyptic number.

51105151 is a deficient number, since it is larger than the sum of its proper divisors (988289).

51105151 is a wasteful number, since it uses less digits than its factorization.

51105151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 51105151 is about 7148.7866802696. The cubic root of 51105151 is about 371.0976680449.

Adding to 51105151 its reverse (15150115), we get a palindrome (66255266).

The spelling of 51105151 in words is "fifty-one million, one hundred five thousand, one hundred fifty-one".