41503513121605 has 4 divisors (see below), whose sum is σ = 49804215745932. Its totient is φ = 33202810497280.

The previous prime is 41503513121573. The next prime is 41503513121621. The reversal of 41503513121605 is 50612131530514.

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 22787428809924 + 18716084311681 = 4773618^2 + 4326209^2 .

It is not a de Polignac number, because 41503513121605 - 2⁵ = 41503513121573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4150351312156 + ... + 4150351312165.

It is an arithmetic number, because the mean of its divisors is an integer number (12451053936483).

Almost surely, 2^{41503513121605} is an apocalyptic number.

It is an amenable number.

41503513121605 is a deficient number, since it is larger than the sum of its proper divisors (8300702624327).

41503513121605 is an equidigital number, since it uses as much as digits as its factorization.

41503513121605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300702624326.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 41503513121605 in words is "forty-one trillion, five hundred three billion, five hundred thirteen million, one hundred twenty-one thousand, six hundred five".