275211312768 has 160 divisors (see below), whose sum is σ = 936028140960. Its totient is φ = 78631782912.

The previous prime is 275211312731. The next prime is 275211312769. The reversal of 275211312768 is 867213112572.

275211312768 is a `hidden beast` number, since 27 + 521 + 1 + 31 + 2 + 76 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (275211312769) 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 19 ways as a sum of consecutive naturals, for example, 1823446 + ... + 1968597.

It is an arithmetic number, because the mean of its divisors is an integer number (5850175881).

Almost surely, 2^275211312768 is an apocalyptic number.

275211312768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

275211312768 is an abundant number, since it is smaller than the sum of its proper divisors (660816828192).

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

275211312768 is an equidigital number, since it uses as much as digits as its factorization.

275211312768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792076 (or 3792055 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 275211312768 in words is "two hundred seventy-five billion, two hundred eleven million, three hundred twelve thousand, seven hundred sixty-eight".