275555734161 has 24 divisors (see below), whose sum is σ = 390447767424. Its totient is φ = 172828343040.

The previous prime is 275555734123. The next prime is 275555734177. The reversal of 275555734161 is 161437555572.

It is not a de Polignac number, because 275555734161 - 2⁷ = 275555734033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (275557734161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2142291 + ... + 2267271.

It is an arithmetic number, because the mean of its divisors is an integer number (16268656976).

Almost surely, 2^275555734161 is an apocalyptic number.

It is an amenable number.

275555734161 is a deficient number, since it is larger than the sum of its proper divisors (114892033263).

275555734161 is a wasteful number, since it uses less digits than its factorization.

275555734161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127561 (or 127544 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 51.

The spelling of 275555734161 in words is "two hundred seventy-five billion, five hundred fifty-five million, seven hundred thirty-four thousand, one hundred sixty-one".