275078325506 has 32 divisors (see below), whose sum is σ = 430847892720. Its totient is φ = 131587891200.

The previous prime is 275078325497. The next prime is 275078325547. The reversal of 275078325506 is 605523870572.

It can be written as a sum of positive squares in 8 ways, for example, as 217281838225 + 57796487281 = 466135^2 + 240409^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19136690 + ... + 19151058.

Almost surely, 2^275078325506 is an apocalyptic number.

275078325506 is a deficient number, since it is larger than the sum of its proper divisors (155769567214).

275078325506 is a wasteful number, since it uses less digits than its factorization.

275078325506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18710.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 275078325506 in words is "two hundred seventy-five billion, seventy-eight million, three hundred twenty-five thousand, five hundred six".