11485519922 has 6 divisors (see below), whose sum is σ = 17228507229. Its totient is φ = 5742684180.

The previous prime is 11485519921. The next prime is 11485519939. The reversal of 11485519922 is 22991558411.

It can be written as a sum of positive squares in 2 ways, for example, as 10320731281 + 1164788641 = 101591^2 + 34129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=75781.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11485519921) 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, 113672 + ... + 189452.

Almost surely, 2^11485519922 is an apocalyptic number.

11485519922 is a deficient number, since it is larger than the sum of its proper divisors (5742987307).

11485519922 is an frugal number, since it uses more digits than its factorization.

11485519922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151564 (or 75783 counting only the distinct ones).

The product of its digits is 259200, while the sum is 47.

The spelling of 11485519922 in words is "eleven billion, four hundred eighty-five million, five hundred nineteen thousand, nine hundred twenty-two".