117067535145661 has 2 divisors, whose sum is σ = 117067535145662. Its totient is φ = 117067535145660.

The previous prime is 117067535145599. The next prime is 117067535145761. The reversal of 117067535145661 is 166541535760711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59572000524100 + 57495534621561 = 7718290^2 + 7582581^2 .

It is an emirp because it is prime and its reverse (166541535760711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117067535145661 - 2³⁵ = 117033175407293 is a prime.

It is a super-3 number, since 3×117067535145661³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117067535145596 and 117067535145605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117067535145761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58533767572830 + 58533767572831.

It is an arithmetic number, because the mean of its divisors is an integer number (58533767572831).

Almost surely, 2^{117067535145661} is an apocalyptic number.

It is an amenable number.

117067535145661 is a deficient number, since it is larger than the sum of its proper divisors (1).

117067535145661 is an equidigital number, since it uses as much as digits as its factorization.

117067535145661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876000, while the sum is 58.

The spelling of 117067535145661 in words is "one hundred seventeen trillion, sixty-seven billion, five hundred thirty-five million, one hundred forty-five thousand, six hundred sixty-one".