276358125681 has 12 divisors (see below), whose sum is σ = 435473410320. Its totient is φ = 167489773080.

The previous prime is 276358125653. The next prime is 276358125733. The reversal of 276358125681 is 186521853672.

276358125681 is a `hidden beast` number, since 2 + 7 + 6 + 3 + 581 + 2 + 56 + 8 + 1 = 666.

It is not a de Polignac number, because 276358125681 - 2¹⁰ = 276358124657 is a prime.

It is a super-2 number, since 2×276358125681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (276358124681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1395748011 + ... + 1395748208.

It is an arithmetic number, because the mean of its divisors is an integer number (36289450860).

Almost surely, 2^276358125681 is an apocalyptic number.

It is an amenable number.

276358125681 is a deficient number, since it is larger than the sum of its proper divisors (159115284639).

276358125681 is a wasteful number, since it uses less digits than its factorization.

276358125681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791496236 (or 2791496233 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 276358125681 in words is "two hundred seventy-six billion, three hundred fifty-eight million, one hundred twenty-five thousand, six hundred eighty-one".