116355505415405 has 4 divisors (see below), whose sum is σ = 139626606498492. Its totient is φ = 93084404332320.

The previous prime is 116355505415399. The next prime is 116355505415437. The reversal of 116355505415405 is 504514505553611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21045174600004 + 95310330815401 = 4587502^2 + 9762701^2 .

It is not a de Polignac number, because 116355505415405 - 2³⁰ = 116354431673581 is a prime.

It is a super-2 number, since 2×116355505415405² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11635550541536 + ... + 11635550541545.

It is an arithmetic number, because the mean of its divisors is an integer number (34906651624623).

Almost surely, 2^{116355505415405} is an apocalyptic number.

It is an amenable number.

116355505415405 is a deficient number, since it is larger than the sum of its proper divisors (23271101083087).

116355505415405 is an equidigital number, since it uses as much as digits as its factorization.

116355505415405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271101083086.

The product of its (nonzero) digits is 4500000, while the sum is 50.

The spelling of 116355505415405 in words is "one hundred sixteen trillion, three hundred fifty-five billion, five hundred five million, four hundred fifteen thousand, four hundred five".