117745335641685 has 32 divisors (see below), whose sum is σ = 190566562862592. Its totient is φ = 62074414172160.

The previous prime is 117745335641657. The next prime is 117745335641707. The reversal of 117745335641685 is 586146533547711.

It is a happy number.

It is not a de Polignac number, because 117745335641685 - 2²¹ = 117745333544533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48089629 + ... + 50478738.

It is an arithmetic number, because the mean of its divisors is an integer number (5955205089456).

Almost surely, 2^{117745335641685} is an apocalyptic number.

117745335641685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117745335641685 is a deficient number, since it is larger than the sum of its proper divisors (72821227220907).

117745335641685 is an equidigital number, since it uses as much as digits as its factorization.

117745335641685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98569293.

The product of its digits is 254016000, while the sum is 66.

The spelling of 117745335641685 in words is "one hundred seventeen trillion, seven hundred forty-five billion, three hundred thirty-five million, six hundred forty-one thousand, six hundred eighty-five".