2155122035 has 16 divisors (see below), whose sum is σ = 2823033600. Its totient is φ = 1566371040.

The previous prime is 2155122029. The next prime is 2155122059. The reversal of 2155122035 is 5302215512.

It is not a de Polignac number, because 2155122035 - 2¹⁰ = 2155121011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2155121995 and 2155122013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81914 + ... + 104976.

It is an arithmetic number, because the mean of its divisors is an integer number (176439600).

Almost surely, 2^2155122035 is an apocalyptic number.

2155122035 is a deficient number, since it is larger than the sum of its proper divisors (667911565).

2155122035 is a wasteful number, since it uses less digits than its factorization.

2155122035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24778.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2155122035 is about 46423.2919448847. The cubic root of 2155122035 is about 1291.6870012384.

Adding to 2155122035 its reverse (5302215512), we get a palindrome (7457337547).

The spelling of 2155122035 in words is "two billion, one hundred fifty-five million, one hundred twenty-two thousand, thirty-five".