1371568117049 has 4 divisors (see below), whose sum is σ = 1477073356836. Its totient is φ = 1266062877264.

The previous prime is 1371568117043. The next prime is 1371568117057. The reversal of 1371568117049 is 9407118651731.

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 382474218025 + 989093899024 = 618445^2 + 994532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371568117049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1371568117043) 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, 52752619874 + ... + 52752619899.

It is an arithmetic number, because the mean of its divisors is an integer number (369268339209).

Almost surely, 2^{1371568117049} is an apocalyptic number.

It is an amenable number.

1371568117049 is a deficient number, since it is larger than the sum of its proper divisors (105505239787).

1371568117049 is a wasteful number, since it uses less digits than its factorization.

1371568117049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105505239786.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 1371568117049 in words is "one trillion, three hundred seventy-one billion, five hundred sixty-eight million, one hundred seventeen thousand, forty-nine".