11483738181 has 12 divisors (see below), whose sum is σ = 16602023308. Its totient is φ = 7649178624.

The previous prime is 11483738131. The next prime is 11483738207. The reversal of 11483738181 is 18183738411.

11483738181 is a `hidden beast` number, since 11 + 483 + 7 + 3 + 81 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5021989956 + 6461748225 = 70866^2 + 80385^2 .

It is not a de Polignac number, because 11483738181 - 2⁹ = 11483737669 is a prime.

It is a super-2 number, since 2×11483738181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11483738131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542950 + ... + 563703.

Almost surely, 2^11483738181 is an apocalyptic number.

It is an amenable number.

11483738181 is a deficient number, since it is larger than the sum of its proper divisors (5118285127).

11483738181 is a wasteful number, since it uses less digits than its factorization.

11483738181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107812 (or 1107809 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The spelling of 11483738181 in words is "eleven billion, four hundred eighty-three million, seven hundred thirty-eight thousand, one hundred eighty-one".