2265585850061 has 2 divisors, whose sum is σ = 2265585850062. Its totient is φ = 2265585850060.

The previous prime is 2265585849991. The next prime is 2265585850091. The reversal of 2265585850061 is 1600585855622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1894424657161 + 371161192900 = 1376381^2 + 609230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2265585850061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2265585849985 and 2265585850012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265585850091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132792925030 + 1132792925031.

It is an arithmetic number, because the mean of its divisors is an integer number (1132792925031).

Almost surely, 2^{2265585850061} is an apocalyptic number.

It is an amenable number.

2265585850061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265585850061 is an equidigital number, since it uses as much as digits as its factorization.

2265585850061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 2265585850061 in words is "two trillion, two hundred sixty-five billion, five hundred eighty-five million, eight hundred fifty thousand, sixty-one".