1095257249917 has 2 divisors, whose sum is σ = 1095257249918. Its totient is φ = 1095257249916.

The previous prime is 1095257249893. The next prime is 1095257249927. The reversal of 1095257249917 is 7199427525901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838870978201 + 256386271716 = 915899^2 + 506346^2 .

It is a cyclic number.

It is not a de Polignac number, because 1095257249917 - 2¹¹ = 1095257247869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1095257249927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547628624958 + 547628624959.

It is an arithmetic number, because the mean of its divisors is an integer number (547628624959).

Almost surely, 2^{1095257249917} is an apocalyptic number.

It is an amenable number.

1095257249917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095257249917 is an equidigital number, since it uses as much as digits as its factorization.

1095257249917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14288400, while the sum is 61.

It can be divided in two parts, 10952572 and 49917, that added together give a square (11002489 = 3317²).

The spelling of 1095257249917 in words is "one trillion, ninety-five billion, two hundred fifty-seven million, two hundred forty-nine thousand, nine hundred seventeen".