115551105 has 32 divisors (see below), whose sum is σ = 195317760. Its totient is φ = 58242240.

The previous prime is 115551101. The next prime is 115551131. The reversal of 115551105 is 501155511.

It is not a de Polignac number, because 115551105 - 2² = 115551101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115551101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17106 + ... + 22884.

It is an arithmetic number, because the mean of its divisors is an integer number (6103680).

Almost surely, 2^115551105 is an apocalyptic number.

115551105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115551105 is a deficient number, since it is larger than the sum of its proper divisors (79766655).

115551105 is a wasteful number, since it uses less digits than its factorization.

115551105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 115551105 is about 10749.4699869342. The cubic root of 115551105 is about 487.0699850371.

The spelling of 115551105 in words is "one hundred fifteen million, five hundred fifty-one thousand, one hundred five".