11663071042 has 12 divisors (see below), whose sum is σ = 20350869030. Its totient is φ = 4998458976.

The previous prime is 11663071033. The next prime is 11663071061. The reversal of 11663071042 is 24017036611.

11663071042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7956818401 + 3706252641 = 89201^2 + 60879^2 .

It is a super-2 number, since 2×11663071042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11663070995 and 11663071013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59505367 + ... + 59505562.

Almost surely, 2^11663071042 is an apocalyptic number.

11663071042 is a deficient number, since it is larger than the sum of its proper divisors (8687797988).

11663071042 is a wasteful number, since it uses less digits than its factorization.

11663071042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119010945 (or 119010938 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 11663071042 in words is "eleven billion, six hundred sixty-three million, seventy-one thousand, forty-two".