537221723344215 has 32 divisors (see below), whose sum is σ = 1057913547511296. Its totient is φ = 226695760179840.

The previous prime is 537221723344199. The next prime is 537221723344333. The reversal of 537221723344215 is 512443327122735.

It is not a de Polignac number, because 537221723344215 - 2⁴ = 537221723344199 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 (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196784512681 + ... + 196784515410.

It is an arithmetic number, because the mean of its divisors is an integer number (33059798359728).

Almost surely, 2^{537221723344215} is an apocalyptic number.

537221723344215 is a deficient number, since it is larger than the sum of its proper divisors (520691824167081).

537221723344215 is a wasteful number, since it uses less digits than its factorization.

537221723344215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393569028119.

The product of its digits is 8467200, while the sum is 51.

The spelling of 537221723344215 in words is "five hundred thirty-seven trillion, two hundred twenty-one billion, seven hundred twenty-three million, three hundred forty-four thousand, two hundred fifteen".