11039398308481 has 9 divisors (see below), whose sum is σ = 11433293521923. Its totient is φ = 10658636369640.

The previous prime is 11039398308461. The next prime is 11039398308517. The reversal of 11039398308481 is 18480389393011.

The square root of 11039398308481 is 3322559.

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., 5788792692081 + 5250605616400 = 2405991^2 + 2291420^2 .

It is not a de Polignac number, because 11039398308481 - 2¹⁵ = 11039398275713 is a prime.

It is a super-3 number, since 3×11039398308481³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11039398308461) 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, 96296926 + ... + 96411496.

Almost surely, 2^{11039398308481} is an apocalyptic number.

11039398308481 is the 3322559-th square number.

11039398308481 is the 1661280-th centered octagonal number.

It is an amenable number.

11039398308481 is a deficient number, since it is larger than the sum of its proper divisors (393895213442).

11039398308481 is an frugal number, since it uses more digits than its factorization.

11039398308481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229200 (or 114600 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 11039398308481 in words is "eleven trillion, thirty-nine billion, three hundred ninety-eight million, three hundred eight thousand, four hundred eighty-one".