541075405737121 has 4 divisors (see below), whose sum is σ = 546432587972244. Its totient is φ = 535718223502000.

The previous prime is 541075405737109. The next prime is 541075405737187. The reversal of 541075405737121 is 121737504570145.

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 356398177577121 + 184677228160000 = 18878511^2 + 13589600^2 .

It is a cyclic number.

It is not a de Polignac number, because 541075405737121 - 2³³ = 541066815802529 is a prime.

It is a super-2 number, since 2×541075405737121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541075405737521) 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, 2678591117410 + ... + 2678591117611.

It is an arithmetic number, because the mean of its divisors is an integer number (136608146993061).

Almost surely, 2^{541075405737121} is an apocalyptic number.

It is an amenable number.

541075405737121 is a deficient number, since it is larger than the sum of its proper divisors (5357182235123).

541075405737121 is a wasteful number, since it uses less digits than its factorization.

541075405737121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357182235122.

The product of its (nonzero) digits is 4116000, while the sum is 52.

The spelling of 541075405737121 in words is "five hundred forty-one trillion, seventy-five billion, four hundred five million, seven hundred thirty-seven thousand, one hundred twenty-one".