275132077961 has 8 divisors (see below), whose sum is σ = 296307178440. Its totient is φ = 253958562432.

The previous prime is 275132077921. The next prime is 275132077963. The reversal of 275132077961 is 169770231572.

It can be written as a sum of positive squares in 4 ways, for example, as 25132077961 + 250000000000 = 158531^2 + 500000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275132077961 - 2⁶ = 275132077897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (275132077963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22646 + ... + 742143.

It is an arithmetic number, because the mean of its divisors is an integer number (37038397305).

Almost surely, 2^275132077961 is an apocalyptic number.

It is an amenable number.

275132077961 is a deficient number, since it is larger than the sum of its proper divisors (21175100479).

275132077961 is a wasteful number, since it uses less digits than its factorization.

275132077961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792475.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 275132077961 in words is "two hundred seventy-five billion, one hundred thirty-two million, seventy-seven thousand, nine hundred sixty-one".