51055003117 has 2 divisors, whose sum is σ = 51055003118. Its totient is φ = 51055003116.

The previous prime is 51055003093. The next prime is 51055003133. The reversal of 51055003117 is 71130055015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29549953801 + 21505049316 = 171901^2 + 146646^2 .

It is a cyclic number.

It is not a de Polignac number, because 51055003117 - 2¹⁵ = 51054970349 is a prime.

It is a super-2 number, since 2×51055003117² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51055003217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527501558 + 25527501559.

It is an arithmetic number, because the mean of its divisors is an integer number (25527501559).

Almost surely, 2^51055003117 is an apocalyptic number.

It is an amenable number.

51055003117 is a deficient number, since it is larger than the sum of its proper divisors (1).

51055003117 is an equidigital number, since it uses as much as digits as its factorization.

51055003117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2625, while the sum is 28.

The spelling of 51055003117 in words is "fifty-one billion, fifty-five million, three thousand, one hundred seventeen".