11382969481 has 27 divisors (see below), whose sum is σ = 12810893589. Its totient is φ = 10109185632.

The previous prime is 11382969439. The next prime is 11382969511. The reversal of 11382969481 is 18496928311.

The square root of 11382969481 is 106691.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1459622025 + 9923347456 = 38205^2 + 99616^2 .

It is not a de Polignac number, because 11382969481 - 2¹¹ = 11382967433 is a prime.

It is a super-2 number, since 2×11382969481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11382969401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40222366 + ... + 40222648.

Almost surely, 2^11382969481 is an apocalyptic number.

11382969481 is the 106691-st square number.

11382969481 is the 53346-th centered octagonal number.

It is an amenable number.

11382969481 is a deficient number, since it is larger than the sum of its proper divisors (1427924108).

11382969481 is an frugal number, since it uses more digits than its factorization.

11382969481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 325 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The spelling of 11382969481 in words is "eleven billion, three hundred eighty-two million, nine hundred sixty-nine thousand, four hundred eighty-one".