10887271922 has 18 divisors (see below), whose sum is σ = 16536410343. Its totient is φ = 5375978784.

The previous prime is 10887271841. The next prime is 10887271931. The reversal of 10887271922 is 22917278801.

It can be written as a sum of positive squares in 5 ways, for example, as 2778449521 + 8108822401 = 52711^2 + 90049^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=73781.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13132604 + ... + 13133432.

Almost surely, 2^10887271922 is an apocalyptic number.

10887271922 is a deficient number, since it is larger than the sum of its proper divisors (5649138421).

10887271922 is an frugal number, since it uses more digits than its factorization.

10887271922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 10887271922 in words is "ten billion, eight hundred eighty-seven million, two hundred seventy-one thousand, nine hundred twenty-two".