1248783089201 has 4 divisors (see below), whose sum is σ = 1260239814900. Its totient is φ = 1237326363504.

The previous prime is 1248783089159. The next prime is 1248783089221. The reversal of 1248783089201 is 1029803878421.

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 1072550209600 + 176232879601 = 1035640^2 + 419801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248783089201 - 2¹⁸ = 1248782827057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1248783089221) 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, 5728362686 + ... + 5728362903.

It is an arithmetic number, because the mean of its divisors is an integer number (315059953725).

Almost surely, 2^{1248783089201} is an apocalyptic number.

It is an amenable number.

1248783089201 is a deficient number, since it is larger than the sum of its proper divisors (11456725699).

1248783089201 is a wasteful number, since it uses less digits than its factorization.

1248783089201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11456725698.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 1248783089201 in words is "one trillion, two hundred forty-eight billion, seven hundred eighty-three million, eighty-nine thousand, two hundred one".