1117306641637 has 8 divisors (see below), whose sum is σ = 1147550752152. Its totient is φ = 1087064985600.

The previous prime is 1117306641589. The next prime is 1117306641709. The reversal of 1117306641637 is 7361466037111.

It can be written as a sum of positive squares in 4 ways, for example, as 67909232836 + 1049397408801 = 260594^2 + 1024401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1117306641637 - 2³¹ = 1115159157989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117300641637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328437 + ... + 1530517.

It is an arithmetic number, because the mean of its divisors is an integer number (143443844019).

Almost surely, 2^{1117306641637} is an apocalyptic number.

It is an amenable number.

1117306641637 is a deficient number, since it is larger than the sum of its proper divisors (30244110515).

1117306641637 is a wasteful number, since it uses less digits than its factorization.

1117306641637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227239.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 1117306641637 in words is "one trillion, one hundred seventeen billion, three hundred six million, six hundred forty-one thousand, six hundred thirty-seven".