11520566042 has 8 divisors (see below), whose sum is σ = 17876740500. Its totient is φ = 5561652544.

The previous prime is 11520566041. The next prime is 11520566089. The reversal of 11520566042 is 24066502511.

It can be written as a sum of positive squares in 2 ways, for example, as 10865769121 + 654796921 = 104239^2 + 25589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11520566041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99315167 + ... + 99315282.

Almost surely, 2^11520566042 is an apocalyptic number.

11520566042 is a deficient number, since it is larger than the sum of its proper divisors (6356174458).

11520566042 is a wasteful number, since it uses less digits than its factorization.

11520566042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198630480.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11520566042 in words is "eleven billion, five hundred twenty million, five hundred sixty-six thousand, forty-two".