276112616221 has 16 divisors (see below), whose sum is σ = 313306035840. Its totient is φ = 241224384960.

The previous prime is 276112616203. The next prime is 276112616231. The reversal of 276112616221 is 122616211672.

It is not a de Polignac number, because 276112616221 - 2⁵ = 276112616189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276112616201) 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, 287470 + ... + 796783.

It is an arithmetic number, because the mean of its divisors is an integer number (19581627240).

Almost surely, 2^276112616221 is an apocalyptic number.

It is an amenable number.

276112616221 is a deficient number, since it is larger than the sum of its proper divisors (37193419619).

276112616221 is a wasteful number, since it uses less digits than its factorization.

276112616221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085316.

The product of its digits is 24192, while the sum is 37.

Adding to 276112616221 its reverse (122616211672), we get a palindrome (398728827893).

The spelling of 276112616221 in words is "two hundred seventy-six billion, one hundred twelve million, six hundred sixteen thousand, two hundred twenty-one".