116155505 has 8 divisors (see below), whose sum is σ = 139468392. Its totient is φ = 92869888.

The previous prime is 116155499. The next prime is 116155573. The reversal of 116155505 is 505551611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1151329 + 115004176 = 1073^2 + 10724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116155505 - 2¹⁶ = 116089969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4169 + ... + 15801.

It is an arithmetic number, because the mean of its divisors is an integer number (17433549).

Almost surely, 2^116155505 is an apocalyptic number.

It is an amenable number.

116155505 is a deficient number, since it is larger than the sum of its proper divisors (23312887).

116155505 is a wasteful number, since it uses less digits than its factorization.

116155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 116155505 is about 10777.5463348575. The cubic root of 116155505 is about 487.9177291772.

It can be divided in two parts, 11 and 6155505, that added together give a palindrome (6155516).

The spelling of 116155505 in words is "one hundred sixteen million, one hundred fifty-five thousand, five hundred five".