116551215 has 48 divisors (see below), whose sum is σ = 221528736. Its totient is φ = 56217600.

The previous prime is 116551207. The next prime is 116551219. The reversal of 116551215 is 512155611.

116551215 is a `hidden beast` number, since 1 + 1 + 655 + 1 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 116551215 - 2³ = 116551207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116551219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118807 + ... + 119783.

It is an arithmetic number, because the mean of its divisors is an integer number (4615182).

Almost surely, 2^116551215 is an apocalyptic number.

116551215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116551215 is a deficient number, since it is larger than the sum of its proper divisors (104977521).

116551215 is a wasteful number, since it uses less digits than its factorization.

116551215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1237 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The square root of 116551215 is about 10795.8888008353. Note that the first 4 decimals coincide. The cubic root of 116551215 is about 488.4711685475.

The spelling of 116551215 in words is "one hundred sixteen million, five hundred fifty-one thousand, two hundred fifteen".