10937185561 has 9 divisors (see below), whose sum is σ = 11435905621. Its totient is φ = 10459354972.

The previous prime is 10937185559. The next prime is 10937185583. The reversal of 10937185561 is 16558173901.

The square root of 10937185561 is 104581.

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

It is not a de Polignac number, because 10937185561 - 2¹ = 10937185559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10937185531) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2403090 + ... + 2407636.

Almost surely, 2^10937185561 is an apocalyptic number.

10937185561 is the 104581-st square number.

10937185561 is the 52291-st centered octagonal number.

It is an amenable number.

10937185561 is a deficient number, since it is larger than the sum of its proper divisors (498720060).

10937185561 is an frugal number, since it uses more digits than its factorization.

10937185561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140 (or 4570 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 10937185561 in words is "ten billion, nine hundred thirty-seven million, one hundred eighty-five thousand, five hundred sixty-one".