276003606121 has 2 divisors, whose sum is σ = 276003606122. Its totient is φ = 276003606120.

The previous prime is 276003606103. The next prime is 276003606133. The reversal of 276003606121 is 121606300672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219552222096 + 56451384025 = 468564^2 + 237595^2 .

It is a cyclic number.

It is not a de Polignac number, because 276003606121 - 2¹³ = 276003597929 is a prime.

It is a super-2 number, since 2×276003606121² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (276003606181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138001803060 + 138001803061.

It is an arithmetic number, because the mean of its divisors is an integer number (138001803061).

Almost surely, 2^276003606121 is an apocalyptic number.

It is an amenable number.

276003606121 is a deficient number, since it is larger than the sum of its proper divisors (1).

276003606121 is an equidigital number, since it uses as much as digits as its factorization.

276003606121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 276003606121 its reverse (121606300672), we get a palindrome (397609906793).

The spelling of 276003606121 in words is "two hundred seventy-six billion, three million, six hundred six thousand, one hundred twenty-one".