41221731615 has 16 divisors (see below), whose sum is σ = 66858262368. Its totient is φ = 21683759616.

The previous prime is 41221731589. The next prime is 41221731643. The reversal of 41221731615 is 51613712214.

It is not a de Polignac number, because 41221731615 - 2⁵ = 41221731583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18821614 + ... + 18823803.

It is an arithmetic number, because the mean of its divisors is an integer number (4178641398).

Almost surely, 2^41221731615 is an apocalyptic number.

41221731615 is a deficient number, since it is larger than the sum of its proper divisors (25636530753).

41221731615 is a wasteful number, since it uses less digits than its factorization.

41221731615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37645498.

The product of its digits is 10080, while the sum is 33.

The spelling of 41221731615 in words is "forty-one billion, two hundred twenty-one million, seven hundred thirty-one thousand, six hundred fifteen".