10881857122756 has 27 divisors (see below), whose sum is σ = 19073119216333. Its totient is φ = 5432407848800.

The previous prime is 10881857122709. The next prime is 10881857122783. The reversal of 10881857122756 is 65722175818801.

The square root of 10881857122756 is 3298766.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9024676892100 + 1857180230656 = 3004110^2 + 1362784^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10881857122694 and 10881857122703.

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, 7593758616 + ... + 7593760048.

Almost surely, 2^{10881857122756} is an apocalyptic number.

10881857122756 is the 3298766-th square number.

It is an amenable number.

10881857122756 is a deficient number, since it is larger than the sum of its proper divisors (8191262093577).

10881857122756 is an frugal number, since it uses more digits than its factorization.

10881857122756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 61.

The spelling of 10881857122756 in words is "ten trillion, eight hundred eighty-one billion, eight hundred fifty-seven million, one hundred twenty-two thousand, seven hundred fifty-six".