541251103405 has 4 divisors (see below), whose sum is σ = 649501324092. Its totient is φ = 433000882720.

The previous prime is 541251103369. The next prime is 541251103447. The reversal of 541251103405 is 504301152145.

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 402948187524 + 138302915881 = 634782^2 + 371891^2 .

It is not a de Polignac number, because 541251103405 - 2⁷ = 541251103277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54125110336 + ... + 54125110345.

It is an arithmetic number, because the mean of its divisors is an integer number (162375331023).

Almost surely, 2^541251103405 is an apocalyptic number.

It is an amenable number.

541251103405 is a deficient number, since it is larger than the sum of its proper divisors (108250220687).

541251103405 is a wasteful number, since it uses less digits than its factorization.

541251103405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108250220686.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 541251103405 in words is "five hundred forty-one billion, two hundred fifty-one million, one hundred three thousand, four hundred five".