11705292481 has 3 divisors (see below), whose sum is σ = 11705400673. Its totient is φ = 11705184290.

The previous prime is 11705292463. The next prime is 11705292497. The reversal of 11705292481 is 18429250711.

The square root of 11705292481 is 108191.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 11705292481 - 2¹⁷ = 11705161409 is a prime.

It is a super-2 number, since 2×11705292481² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11705296481) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54096 + ... + 162286.

Almost surely, 2^11705292481 is an apocalyptic number.

11705292481 is the 108191-st square number.

11705292481 is the 54096-th centered octagonal number.

It is an amenable number.

11705292481 is a deficient number, since it is larger than the sum of its proper divisors (108192).

11705292481 is an frugal number, since it uses more digits than its factorization.

11705292481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216382 (or 108191 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 11705292481 in words is "eleven billion, seven hundred five million, two hundred ninety-two thousand, four hundred eighty-one".