273661517121 has 8 divisors (see below), whose sum is σ = 364937730720. Its totient is φ = 182413157472.

The previous prime is 273661517009. The next prime is 273661517161. The reversal of 273661517121 is 121715166372.

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

It is not a de Polignac number, because 273661517121 - 2¹¹ = 273661515073 is a prime.

It is a super-2 number, since 2×273661517121² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (273661517161) 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, 6940551 + ... + 6979868.

It is an arithmetic number, because the mean of its divisors is an integer number (45617216340).

Almost surely, 2^273661517121 is an apocalyptic number.

It is an amenable number.

273661517121 is a deficient number, since it is larger than the sum of its proper divisors (91276213599).

273661517121 is a wasteful number, since it uses less digits than its factorization.

273661517121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926975.

The product of its digits is 105840, while the sum is 42.

The spelling of 273661517121 in words is "two hundred seventy-three billion, six hundred sixty-one million, five hundred seventeen thousand, one hundred twenty-one".