541103021225 has 18 divisors (see below), whose sum is σ = 726550878906. Its totient is φ = 399583766400.

The previous prime is 541103021219. The next prime is 541103021237. The reversal of 541103021225 is 522120301145.

It can be written as a sum of positive squares in 9 ways, for example, as 273933951769 + 267169069456 = 523387^2 + 516884^2 .

It is not a de Polignac number, because 541103021225 - 2¹⁸ = 541102759081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 541103021194 and 541103021203.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 64031636 + ... + 64040085.

It is an arithmetic number, because the mean of its divisors is an integer number (40363937717).

Almost surely, 2^541103021225 is an apocalyptic number.

It is an amenable number.

541103021225 is a deficient number, since it is larger than the sum of its proper divisors (185447857681).

541103021225 is a wasteful number, since it uses less digits than its factorization.

541103021225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128071757 (or 128071739 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 541103021225 in words is "five hundred forty-one billion, one hundred three million, twenty-one thousand, two hundred twenty-five".