115291008 has 288 divisors, whose sum is σ = 415780560. Its totient is φ = 29933568.

The previous prime is 115291003. The next prime is 115291009. The reversal of 115291008 is 800192511.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115291003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3975538 + ... + 3975566.

Almost surely, 2^115291008 is an apocalyptic number.

115291008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115291008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207890280).

115291008 is an abundant number, since it is smaller than the sum of its proper divisors (300489552).

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

115291008 is a wasteful number, since it uses less digits than its factorization.

115291008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 115291008 is about 10737.3650398969. The cubic root of 115291008 is about 486.7042576414.

The spelling of 115291008 in words is "one hundred fifteen million, two hundred ninety-one thousand, eight".