4000115155 has 8 divisors (see below), whose sum is σ = 4800553632. Its totient is φ = 3199815168.

The previous prime is 4000115149. The next prime is 4000115191. The reversal of 4000115155 is 5515110004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4000115155 - 2⁵ = 4000115123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45994 + ... + 100576.

It is an arithmetic number, because the mean of its divisors is an integer number (600069204).

Almost surely, 2^4000115155 is an apocalyptic number.

4000115155 is a deficient number, since it is larger than the sum of its proper divisors (800438477).

4000115155 is a wasteful number, since it uses less digits than its factorization.

4000115155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69245.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 4000115155 is about 63246.4635770254. The cubic root of 4000115155 is about 1587.4162849194.

Adding to 4000115155 its reverse (5515110004), we get a palindrome (9515225159).

The spelling of 4000115155 in words is "four billion, one hundred fifteen thousand, one hundred fifty-five".