11609196552 has 24 divisors (see below), whose sum is σ = 31441574190. Its totient is φ = 3869732160.

The previous prime is 11609196527. The next prime is 11609196563. The reversal of 11609196552 is 25569190611.

It is a happy number.

11609196552 is a `hidden beast` number, since 1 + 1 + 6 + 0 + 9 + 1 + 96 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11507711076 + 101485476 = 107274^2 + 10074^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 11609196498 and 11609196507.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80619349 + ... + 80619492.

Almost surely, 2^11609196552 is an apocalyptic number.

11609196552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11609196552 is an abundant number, since it is smaller than the sum of its proper divisors (19832377638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11609196552 is a wasteful number, since it uses less digits than its factorization.

11609196552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161238853 (or 161238846 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The spelling of 11609196552 in words is "eleven billion, six hundred nine million, one hundred ninety-six thousand, five hundred fifty-two".