1095257249893 has 2 divisors, whose sum is σ = 1095257249894. Its totient is φ = 1095257249892.

The previous prime is 1095257249861. The next prime is 1095257249917. The reversal of 1095257249893 is 3989427525901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812453455044 + 282803794849 = 901362^2 + 531793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1095257249893 - 2⁵ = 1095257249861 is a prime.

It is a super-2 number, since 2×1095257249893² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1095257249993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547628624946 + 547628624947.

It is an arithmetic number, because the mean of its divisors is an integer number (547628624947).

Almost surely, 2^{1095257249893} is an apocalyptic number.

It is an amenable number.

1095257249893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095257249893 is an equidigital number, since it uses as much as digits as its factorization.

1095257249893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 1095257249893 in words is "one trillion, ninety-five billion, two hundred fifty-seven million, two hundred forty-nine thousand, eight hundred ninety-three".