10505215522 has 16 divisors (see below), whose sum is σ = 15996007872. Its totient is φ = 5173363440.

The previous prime is 10505215459. The next prime is 10505215531. The reversal of 10505215522 is 22551250501.

It is a super-2 number, since 2×10505215522² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104473 + ... + 178675.

It is an arithmetic number, because the mean of its divisors is an integer number (999750492).

Almost surely, 2^10505215522 is an apocalyptic number.

10505215522 is a deficient number, since it is larger than the sum of its proper divisors (5490792350).

10505215522 is an equidigital number, since it uses as much as digits as its factorization.

10505215522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75273.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 10505215522 in words is "ten billion, five hundred five million, two hundred fifteen thousand, five hundred twenty-two".