2133526544161 has 4 divisors (see below), whose sum is σ = 2134093824324. Its totient is φ = 2132959264000.

The previous prime is 2133526544137. The next prime is 2133526544173. The reversal of 2133526544161 is 1614456253312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 405984334561 + 1727542209600 = 637169^2 + 1314360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133526544161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133526541161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283634440 + ... + 283641961.

It is an arithmetic number, because the mean of its divisors is an integer number (533523456081).

Almost surely, 2^{2133526544161} is an apocalyptic number.

It is an amenable number.

2133526544161 is a deficient number, since it is larger than the sum of its proper divisors (567280163).

2133526544161 is an equidigital number, since it uses as much as digits as its factorization.

2133526544161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567280162.

The product of its digits is 518400, while the sum is 43.

The spelling of 2133526544161 in words is "two trillion, one hundred thirty-three billion, five hundred twenty-six million, five hundred forty-four thousand, one hundred sixty-one".