275636606725 has 12 divisors (see below), whose sum is σ = 345629725380. Its totient is φ = 218031651200.

The previous prime is 275636606711. The next prime is 275636606737. The reversal of 275636606725 is 527606636572.

It can be written as a sum of positive squares in 6 ways, for example, as 77061204801 + 198575401924 = 277599^2 + 445618^2 .

It is a de Polignac number, because none of the positive numbers 2^k-275636606725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61938586 + ... + 61943035.

It is an arithmetic number, because the mean of its divisors is an integer number (28802477115).

Almost surely, 2^275636606725 is an apocalyptic number.

275636606725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275636606725 is a deficient number, since it is larger than the sum of its proper divisors (69993118655).

275636606725 is a wasteful number, since it uses less digits than its factorization.

275636606725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123881720 (or 123881715 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 55.

The spelling of 275636606725 in words is "two hundred seventy-five billion, six hundred thirty-six million, six hundred six thousand, seven hundred twenty-five".