51417552571061 has 2 divisors, whose sum is σ = 51417552571062. Its totient is φ = 51417552571060.

The previous prime is 51417552570977. The next prime is 51417552571067. The reversal of 51417552571061 is 16017525571415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29823547676836 + 21594004894225 = 5461094^2 + 4646935^2 .

It is a cyclic number.

It is not a de Polignac number, because 51417552571061 - 2²⁶ = 51417485462197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51417552571067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25708776285530 + 25708776285531.

It is an arithmetic number, because the mean of its divisors is an integer number (25708776285531).

Almost surely, 2^{51417552571061} is an apocalyptic number.

It is an amenable number.

51417552571061 is a deficient number, since it is larger than the sum of its proper divisors (1).

51417552571061 is an equidigital number, since it uses as much as digits as its factorization.

51417552571061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470000, while the sum is 50.

The spelling of 51417552571061 in words is "fifty-one trillion, four hundred seventeen billion, five hundred fifty-two million, five hundred seventy-one thousand, sixty-one".