11663350042 has 4 divisors (see below), whose sum is σ = 17495025066. Its totient is φ = 5831675020.

The previous prime is 11663350037. The next prime is 11663350063. The reversal of 11663350042 is 24005336611.

11663350042 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10976962441 + 686387601 = 104771^2 + 26199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11663349986 and 11663350013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915837509 + ... + 2915837512.

Almost surely, 2^11663350042 is an apocalyptic number.

11663350042 is a deficient number, since it is larger than the sum of its proper divisors (5831675024).

11663350042 is an equidigital number, since it uses as much as digits as its factorization.

11663350042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831675023.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 11663350042 its reverse (24005336611), we get a palindrome (35668686653).

The spelling of 11663350042 in words is "eleven billion, six hundred sixty-three million, three hundred fifty thousand, forty-two".