5261106857 has 2 divisors, whose sum is σ = 5261106858. Its totient is φ = 5261106856.

The previous prime is 5261106791. The next prime is 5261106863. The reversal of 5261106857 is 7586011625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4896640576 + 364466281 = 69976^2 + 19091^2 .

It is a cyclic number.

It is not a de Polignac number, because 5261106857 - 2¹⁴ = 5261090473 is a prime.

It is not a weakly prime, because it can be changed into another prime (5261186857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630553428 + 2630553429.

It is an arithmetic number, because the mean of its divisors is an integer number (2630553429).

Almost surely, 2^5261106857 is an apocalyptic number.

It is an amenable number.

5261106857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261106857 is an equidigital number, since it uses as much as digits as its factorization.

5261106857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 5261106857 is about 72533.4878314837. The cubic root of 5261106857 is about 1739.2381013880.

The spelling of 5261106857 in words is "five billion, two hundred sixty-one million, one hundred six thousand, eight hundred fifty-seven".