275715318551 has 2 divisors, whose sum is σ = 275715318552. Its totient is φ = 275715318550.

The previous prime is 275715318511. The next prime is 275715318563. The reversal of 275715318551 is 155813517572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275715318551 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275715318551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275715318511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137857659275 + 137857659276.

It is an arithmetic number, because the mean of its divisors is an integer number (137857659276).

Almost surely, 2^275715318551 is an apocalyptic number.

275715318551 is a deficient number, since it is larger than the sum of its proper divisors (1).

275715318551 is an equidigital number, since it uses as much as digits as its factorization.

275715318551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1470000, while the sum is 50.

The spelling of 275715318551 in words is "two hundred seventy-five billion, seven hundred fifteen million, three hundred eighteen thousand, five hundred fifty-one".