51452522501161 has 2 divisors, whose sum is σ = 51452522501162. Its totient is φ = 51452522501160.

The previous prime is 51452522501137. The next prime is 51452522501231. The reversal of 51452522501161 is 16110522525415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28000236825625 + 23452285675536 = 5291525^2 + 4842756^2 .

It is a cyclic number.

It is not a de Polignac number, because 51452522501161 - 2²⁷ = 51452388283433 is a prime.

It is not a weakly prime, because it can be changed into another prime (51452522501761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25726261250580 + 25726261250581.

It is an arithmetic number, because the mean of its divisors is an integer number (25726261250581).

Almost surely, 2^{51452522501161} is an apocalyptic number.

It is an amenable number.

51452522501161 is a deficient number, since it is larger than the sum of its proper divisors (1).

51452522501161 is an equidigital number, since it uses as much as digits as its factorization.

51452522501161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 51452522501161 in words is "fifty-one trillion, four hundred fifty-two billion, five hundred twenty-two million, five hundred one thousand, one hundred sixty-one".