2155127055 has 8 divisors (see below), whose sum is σ = 3448203312. Its totient is φ = 1149401088.

The previous prime is 2155127027. The next prime is 2155127089. The reversal of 2155127055 is 5507215512.

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

It is not a de Polignac number, because 2155127055 - 2²⁴ = 2138349839 is a prime.

It is a congruent 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, 71837554 + ... + 71837583.

It is an arithmetic number, because the mean of its divisors is an integer number (431025414).

Almost surely, 2^2155127055 is an apocalyptic number.

2155127055 is a deficient number, since it is larger than the sum of its proper divisors (1293076257).

2155127055 is a wasteful number, since it uses less digits than its factorization.

2155127055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143675145.

The product of its (nonzero) digits is 17500, while the sum is 33.

The square root of 2155127055 is about 46423.3460125399. The cubic root of 2155127055 is about 1291.6880041613.

The spelling of 2155127055 in words is "two billion, one hundred fifty-five million, one hundred twenty-seven thousand, fifty-five".