2155301115 has 64 divisors (see below), whose sum is σ = 3820995072. Its totient is φ = 1028736000.

The previous prime is 2155301101. The next prime is 2155301143. The reversal of 2155301115 is 5111035512.

2155301115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2155301115 - 2¹⁴ = 2155284731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4715967 + ... + 4716423.

It is an arithmetic number, because the mean of its divisors is an integer number (59703048).

Almost surely, 2^2155301115 is an apocalyptic number.

2155301115 is a deficient number, since it is larger than the sum of its proper divisors (1665693957).

2155301115 is a wasteful number, since it uses less digits than its factorization.

2155301115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 2155301115 is about 46425.2206779892. The cubic root of 2155301115 is about 1291.7227778515.

Adding to 2155301115 its reverse (5111035512), we get a palindrome (7266336627).

The spelling of 2155301115 in words is "two billion, one hundred fifty-five million, three hundred one thousand, one hundred fifteen".