9551254286261 has 2 divisors, whose sum is σ = 9551254286262. Its totient is φ = 9551254286260.

The previous prime is 9551254286213. The next prime is 9551254286267. The reversal of 9551254286261 is 1626824521559.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9370369943236 + 180884343025 = 3061106^2 + 425305^2 .

It is an emirp because it is prime and its reverse (1626824521559) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9551254286261 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 = 9551254286197 and 9551254286206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9551254286267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4775627143130 + 4775627143131.

It is an arithmetic number, because the mean of its divisors is an integer number (4775627143131).

Almost surely, 2^{9551254286261} is an apocalyptic number.

It is an amenable number.

9551254286261 is a deficient number, since it is larger than the sum of its proper divisors (1).

9551254286261 is an equidigital number, since it uses as much as digits as its factorization.

9551254286261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 56.

The spelling of 9551254286261 in words is "nine trillion, five hundred fifty-one billion, two hundred fifty-four million, two hundred eighty-six thousand, two hundred sixty-one".