276552672132521 has 16 divisors (see below), whose sum is σ = 280128098839680. Its totient is φ = 272992937817600.

The previous prime is 276552672132487. The next prime is 276552672132557. The reversal of 276552672132521 is 125231276255672.

It is a cyclic number.

It is not a de Polignac number, because 276552672132521 - 2¹⁴ = 276552672116137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276552672131521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56042060 + ... + 60776786.

It is an arithmetic number, because the mean of its divisors is an integer number (17508006177480).

Almost surely, 2^{276552672132521} is an apocalyptic number.

It is an amenable number.

276552672132521 is a deficient number, since it is larger than the sum of its proper divisors (3575426707159).

276552672132521 is an equidigital number, since it uses as much as digits as its factorization.

276552672132521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736384.

The product of its digits is 21168000, while the sum is 56.

The spelling of 276552672132521 in words is "two hundred seventy-six trillion, five hundred fifty-two billion, six hundred seventy-two million, one hundred thirty-two thousand, five hundred twenty-one".