275116032509 has 2 divisors, whose sum is σ = 275116032510. Its totient is φ = 275116032508.

The previous prime is 275116032463. The next prime is 275116032523. The reversal of 275116032509 is 905230611572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268949071609 + 6166960900 = 518603^2 + 78530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275116032509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275116032109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137558016254 + 137558016255.

It is an arithmetic number, because the mean of its divisors is an integer number (137558016255).

Almost surely, 2^275116032509 is an apocalyptic number.

It is an amenable number.

275116032509 is a deficient number, since it is larger than the sum of its proper divisors (1).

275116032509 is an equidigital number, since it uses as much as digits as its factorization.

275116032509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 275116032509 in words is "two hundred seventy-five billion, one hundred sixteen million, thirty-two thousand, five hundred nine".