275781080097 has 6 divisors (see below), whose sum is σ = 398350449042. Its totient is φ = 183854053392.

The previous prime is 275781080039. The next prime is 275781080117. The reversal of 275781080097 is 790080187572.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 167805748881 + 107975331216 = 409641^2 + 328596^2 .

It is not a de Polignac number, because 275781080097 - 2¹² = 275781076001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275781080797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15321171108 + ... + 15321171125.

It is an arithmetic number, because the mean of its divisors is an integer number (66391741507).

Almost surely, 2^275781080097 is an apocalyptic number.

It is an amenable number.

275781080097 is a deficient number, since it is larger than the sum of its proper divisors (122569368945).

275781080097 is a wasteful number, since it uses less digits than its factorization.

275781080097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30642342239 (or 30642342236 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The spelling of 275781080097 in words is "two hundred seventy-five billion, seven hundred eighty-one million, eighty thousand, ninety-seven".