117284242685 has 16 divisors (see below), whose sum is σ = 144803438640. Its totient is φ = 91139151360.

The previous prime is 117284242651. The next prime is 117284242687. The reversal of 117284242685 is 586242482711.

It can be written as a sum of positive squares in 8 ways, for example, as 4642787044 + 112641455641 = 68138^2 + 335621^2 .

It is not a de Polignac number, because 117284242685 - 2¹⁰ = 117284241661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117284242687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202222 + ... + 1296111.

It is an arithmetic number, because the mean of its divisors is an integer number (9050214915).

Almost surely, 2^117284242685 is an apocalyptic number.

It is an amenable number.

117284242685 is a deficient number, since it is larger than the sum of its proper divisors (27519195955).

117284242685 is a wasteful number, since it uses less digits than its factorization.

117284242685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498608.

The product of its digits is 1720320, while the sum is 50.

The spelling of 117284242685 in words is "one hundred seventeen billion, two hundred eighty-four million, two hundred forty-two thousand, six hundred eighty-five".