2127256535127 has 16 divisors (see below), whose sum is σ = 2872679997440. Its totient is φ = 1400007484512.

The previous prime is 2127256535119. The next prime is 2127256535189. The reversal of 2127256535127 is 7215356527212.

It is a happy number.

It is not a de Polignac number, because 2127256535127 - 2³ = 2127256535119 is a prime.

It is a super-2 number, since 2×2127256535127² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127256735127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896778 + ... + 2249160.

It is an arithmetic number, because the mean of its divisors is an integer number (179542499840).

Almost surely, 2^{2127256535127} is an apocalyptic number.

2127256535127 is a deficient number, since it is larger than the sum of its proper divisors (745423462313).

2127256535127 is a wasteful number, since it uses less digits than its factorization.

2127256535127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359102.

The product of its digits is 1764000, while the sum is 48.

The spelling of 2127256535127 in words is "two trillion, one hundred twenty-seven billion, two hundred fifty-six million, five hundred thirty-five thousand, one hundred twenty-seven".