115551066 has 8 divisors (see below), whose sum is σ = 231102144. Its totient is φ = 38517020.

The previous prime is 115551061. The next prime is 115551071. The reversal of 115551066 is 660155511.

It is an interprime number because it is at equal distance from previous prime (115551061) and next prime (115551071).

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

115551066 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115551061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9629250 + ... + 9629261.

It is an arithmetic number, because the mean of its divisors is an integer number (28887768).

Almost surely, 2^115551066 is an apocalyptic number.

115551066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115551066 is a wasteful number, since it uses less digits than its factorization.

115551066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19258516.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 115551066 is about 10749.4681728912. The cubic root of 115551066 is about 487.0699302396.

It can be divided in two parts, 11555 and 1066, that added together give a palindrome (12621).

The spelling of 115551066 in words is "one hundred fifteen million, five hundred fifty-one thousand, sixty-six".