11243555042 has 16 divisors (see below), whose sum is σ = 17325559032. Its totient is φ = 5468446080.

The previous prime is 11243555041. The next prime is 11243555051. The reversal of 11243555042 is 24055534211.

It can be written as a sum of positive squares in 4 ways, for example, as 11242572961 + 982081 = 106031^2 + 991^2 .

It is not an unprimeable number, because it can be changed into a prime (11243555041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311528 + ... + 345740.

Almost surely, 2^11243555042 is an apocalyptic number.

11243555042 is a deficient number, since it is larger than the sum of its proper divisors (6082003990).

11243555042 is a wasteful number, since it uses less digits than its factorization.

11243555042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38693.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 11243555042 in words is "eleven billion, two hundred forty-three million, five hundred fifty-five thousand, forty-two".