51084225278173 has 2 divisors, whose sum is σ = 51084225278174. Its totient is φ = 51084225278172.

The previous prime is 51084225278101. The next prime is 51084225278189. The reversal of 51084225278173 is 37187252248015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48875381334649 + 2208843943524 = 6991093^2 + 1486218^2 .

It is a cyclic number.

It is not a de Polignac number, because 51084225278173 - 2¹³ = 51084225269981 is a prime.

It is a super-2 number, since 2×51084225278173² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51084223278173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25542112639086 + 25542112639087.

It is an arithmetic number, because the mean of its divisors is an integer number (25542112639087).

Almost surely, 2^{51084225278173} is an apocalyptic number.

It is an amenable number.

51084225278173 is a deficient number, since it is larger than the sum of its proper divisors (1).

51084225278173 is an equidigital number, since it uses as much as digits as its factorization.

51084225278173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 51084225278173 in words is "fifty-one trillion, eighty-four billion, two hundred twenty-five million, two hundred seventy-eight thousand, one hundred seventy-three".