2256040350061 has 2 divisors, whose sum is σ = 2256040350062. Its totient is φ = 2256040350060.

The previous prime is 2256040350043. The next prime is 2256040350073. The reversal of 2256040350061 is 1600530406522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2253016010025 + 3024340036 = 1501005^2 + 54994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256040350061 - 2¹¹ = 2256040348013 is a prime.

It is a super-2 number, since 2×2256040350061² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2256040349999 and 2256040350026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256040350661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128020175030 + 1128020175031.

It is an arithmetic number, because the mean of its divisors is an integer number (1128020175031).

Almost surely, 2^{2256040350061} is an apocalyptic number.

It is an amenable number.

2256040350061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256040350061 is an equidigital number, since it uses as much as digits as its factorization.

2256040350061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 2256040350061 its reverse (1600530406522), we get a palindrome (3856570756583).

The spelling of 2256040350061 in words is "two trillion, two hundred fifty-six billion, forty million, three hundred fifty thousand, sixty-one".