71275214555 has 4 divisors (see below), whose sum is σ = 85530257472. Its totient is φ = 57020171640.

The previous prime is 71275214503. The next prime is 71275214581. The reversal of 71275214555 is 55541257217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55541257217 = 16487 ⋅3368791.

It is not a de Polignac number, because 71275214555 - 2³² = 66980247259 is a prime.

It is a super-2 number, since 2×71275214555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7127521451 + ... + 7127521460.

It is an arithmetic number, because the mean of its divisors is an integer number (21382564368).

Almost surely, 2^71275214555 is an apocalyptic number.

71275214555 is a deficient number, since it is larger than the sum of its proper divisors (14255042917).

71275214555 is a wasteful number, since it uses less digits than its factorization.

71275214555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14255042916.

The product of its digits is 490000, while the sum is 44.

The spelling of 71275214555 in words is "seventy-one billion, two hundred seventy-five million, two hundred fourteen thousand, five hundred fifty-five".