116551312155 has 32 divisors (see below), whose sum is σ = 208107201600. Its totient is φ = 61889239296.

The previous prime is 116551312121. The next prime is 116551312159. The reversal of 116551312155 is 551213155611.

116551312155 is a `hidden beast` number, since 1 + 1 + 6 + 551 + 31 + 21 + 55 = 666.

It is not a de Polignac number, because 116551312155 - 2¹⁷ = 116551181083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116551312159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1854114 + ... + 1915943.

It is an arithmetic number, because the mean of its divisors is an integer number (6503350050).

Almost surely, 2^116551312155 is an apocalyptic number.

116551312155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116551312155 is a deficient number, since it is larger than the sum of its proper divisors (91555889445).

116551312155 is a wasteful number, since it uses less digits than its factorization.

116551312155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770300 (or 3770294 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

Adding to 116551312155 its reverse (551213155611), we get a palindrome (667764467766).

The spelling of 116551312155 in words is "one hundred sixteen billion, five hundred fifty-one million, three hundred twelve thousand, one hundred fifty-five".