117758162405 has 16 divisors (see below), whose sum is σ = 152327184240. Its totient is φ = 86875642368.

The previous prime is 117758162387. The next prime is 117758162407. The reversal of 117758162405 is 504261857711.

It can be written as a sum of positive squares in 8 ways, for example, as 2697451969 + 115060710436 = 51937^2 + 339206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117758162405 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117758162405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117758162407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809750 + ... + 944039.

It is an arithmetic number, because the mean of its divisors is an integer number (9520449015).

Almost surely, 2^117758162405 is an apocalyptic number.

It is an amenable number.

117758162405 is a deficient number, since it is larger than the sum of its proper divisors (34569021835).

117758162405 is a wasteful number, since it uses less digits than its factorization.

117758162405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754840.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 117758162405 in words is "one hundred seventeen billion, seven hundred fifty-eight million, one hundred sixty-two thousand, four hundred five".