2250011155261 has 2 divisors, whose sum is σ = 2250011155262. Its totient is φ = 2250011155260.

The previous prime is 2250011155157. The next prime is 2250011155267. The reversal of 2250011155261 is 1625511100522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2222278914361 + 27732240900 = 1490731^2 + 166530^2 .

It is a cyclic number.

It is not a de Polignac number, because 2250011155261 - 2¹⁵ = 2250011122493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2250011155267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125005577630 + 1125005577631.

It is an arithmetic number, because the mean of its divisors is an integer number (1125005577631).

Almost surely, 2^{2250011155261} is an apocalyptic number.

It is an amenable number.

2250011155261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250011155261 is an equidigital number, since it uses as much as digits as its factorization.

2250011155261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 2250011155261 its reverse (1625511100522), we get a palindrome (3875522255783).

The spelling of 2250011155261 in words is "two trillion, two hundred fifty billion, eleven million, one hundred fifty-five thousand, two hundred sixty-one".