2127555155 has 16 divisors (see below), whose sum is σ = 2789856000. Its totient is φ = 1544705760.

The previous prime is 2127555139. The next prime is 2127555179. The reversal of 2127555155 is 5515557212.

It is not a de Polignac number, because 2127555155 - 2⁴ = 2127555139 is a prime.

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, 656 + ... + 65234.

It is an arithmetic number, because the mean of its divisors is an integer number (174366000).

Almost surely, 2^2127555155 is an apocalyptic number.

2127555155 is a deficient number, since it is larger than the sum of its proper divisors (662300845).

2127555155 is a wasteful number, since it uses less digits than its factorization.

2127555155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65194.

The product of its digits is 87500, while the sum is 38.

The square root of 2127555155 is about 46125.4285074946. The cubic root of 2127555155 is about 1286.1558848545.

The spelling of 2127555155 in words is "two billion, one hundred twenty-seven million, five hundred fifty-five thousand, one hundred fifty-five".