27505275050 has 48 divisors (see below), whose sum is σ = 55826989344. Its totient is φ = 9999000000.

The previous prime is 27505275043. The next prime is 27505275053. The reversal of 27505275050 is 5057250572.

It is a junction number, because it is equal to n+sod(n) for n = 27505274995 and 27505275013.

It is not an unprimeable number, because it can be changed into a prime (27505275053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3021005 + ... + 3030095.

It is an arithmetic number, because the mean of its divisors is an integer number (1163062278).

Almost surely, 2^27505275050 is an apocalyptic number.

27505275050 is an abundant number, since it is smaller than the sum of its proper divisors (28321714294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27505275050 is a wasteful number, since it uses less digits than its factorization.

27505275050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14615 (or 14610 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 38.

The spelling of 27505275050 in words is "twenty-seven billion, five hundred five million, two hundred seventy-five thousand, fifty".