276523112642057 has 4 divisors (see below), whose sum is σ = 276523153872900. Its totient is φ = 276523071411216.

The previous prime is 276523112642047. The next prime is 276523112642071. The reversal of 276523112642057 is 750246211325672.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253621422846016 + 22901689796041 = 15925496^2 + 4785571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276523112642057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276523112642047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7969682 + ... + 24830667.

It is an arithmetic number, because the mean of its divisors is an integer number (69130788468225).

Almost surely, 2^{276523112642057} is an apocalyptic number.

It is an amenable number.

276523112642057 is a deficient number, since it is larger than the sum of its proper divisors (41230843).

276523112642057 is an equidigital number, since it uses as much as digits as its factorization.

276523112642057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41230842.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 276523112642057 in words is "two hundred seventy-six trillion, five hundred twenty-three billion, one hundred twelve million, six hundred forty-two thousand, fifty-seven".