11636052642 has 48 divisors (see below), whose sum is σ = 26082234360. Its totient is φ = 3746592000.

The previous prime is 11636052619. The next prime is 11636052643. The reversal of 11636052642 is 24625063611.

11636052642 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 6 + 0 + 5 + 2 + 642 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10720324521 + 915728121 = 103539^2 + 30261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11636052597 and 11636052606.

It is not an unprimeable number, because it can be changed into a prime (11636052643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3517 + ... + 152592.

Almost surely, 2^11636052642 is an apocalyptic number.

11636052642 is an abundant number, since it is smaller than the sum of its proper divisors (14446181718).

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

11636052642 is a wasteful number, since it uses less digits than its factorization.

11636052642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156259 (or 156256 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 11636052642 in words is "eleven billion, six hundred thirty-six million, fifty-two thousand, six hundred forty-two".