1248102775793 has 4 divisors (see below), whose sum is σ = 1248205116660. Its totient is φ = 1248000434928.

The previous prime is 1248102775693. The next prime is 1248102775859. The reversal of 1248102775793 is 3975772018421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 771150935104 + 476951840689 = 878152^2 + 690617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248102775793 - 2¹⁸ = 1248102513649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248102775693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51152138 + ... + 51176531.

It is an arithmetic number, because the mean of its divisors is an integer number (312051279165).

Almost surely, 2^{1248102775793} is an apocalyptic number.

It is an amenable number.

1248102775793 is a deficient number, since it is larger than the sum of its proper divisors (102340867).

1248102775793 is a wasteful number, since it uses less digits than its factorization.

1248102775793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102340866.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 1248102775793 in words is "one trillion, two hundred forty-eight billion, one hundred two million, seven hundred seventy-five thousand, seven hundred ninety-three".