275511536121 has 48 divisors (see below), whose sum is σ = 383422583040. Its totient is φ = 175941642240.

The previous prime is 275511536101. The next prime is 275511536191. The reversal of 275511536121 is 121635115572.

It is not a de Polignac number, because 275511536121 - 2⁵ = 275511536089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275511536121.

It is not an unprimeable number, because it can be changed into a prime (275511536101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136593705 + ... + 136595721.

It is an arithmetic number, because the mean of its divisors is an integer number (7987970480).

Almost surely, 2^275511536121 is an apocalyptic number.

It is an amenable number.

275511536121 is a deficient number, since it is larger than the sum of its proper divisors (107911046919).

275511536121 is a wasteful number, since it uses less digits than its factorization.

275511536121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2557 counting only the distinct ones).

The product of its digits is 63000, while the sum is 39.

The spelling of 275511536121 in words is "two hundred seventy-five billion, five hundred eleven million, five hundred thirty-six thousand, one hundred twenty-one".