225141510265961 has 2 divisors, whose sum is σ = 225141510265962. Its totient is φ = 225141510265960.

The previous prime is 225141510265957. The next prime is 225141510266149. The reversal of 225141510265961 is 169562015141522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164786386717225 + 60355123548736 = 12836915^2 + 7768856^2 .

It is a cyclic number.

It is not a de Polignac number, because 225141510265961 - 2² = 225141510265957 is a prime.

It is not a weakly prime, because it can be changed into another prime (225141510261961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112570755132980 + 112570755132981.

It is an arithmetic number, because the mean of its divisors is an integer number (112570755132981).

Almost surely, 2^{225141510265961} is an apocalyptic number.

It is an amenable number.

225141510265961 is a deficient number, since it is larger than the sum of its proper divisors (1).

225141510265961 is an equidigital number, since it uses as much as digits as its factorization.

225141510265961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 225141510265961 in words is "two hundred twenty-five trillion, one hundred forty-one billion, five hundred ten million, two hundred sixty-five thousand, nine hundred sixty-one".