11234155203 has 12 divisors (see below), whose sum is σ = 17181649368. Its totient is φ = 7048881600.

The previous prime is 11234155187. The next prime is 11234155211. The reversal of 11234155203 is 30255143211.

11234155203 is a `hidden beast` number, since 1 + 123 + 4 + 15 + 520 + 3 = 666.

It is not a de Polignac number, because 11234155203 - 2⁴ = 11234155187 is a prime.

It is a super-3 number, since 3×11234155203³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11234155243) 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 11 ways as a sum of consecutive naturals, for example, 36712773 + ... + 36713078.

It is an arithmetic number, because the mean of its divisors is an integer number (1431804114).

Almost surely, 2^11234155203 is an apocalyptic number.

11234155203 is a deficient number, since it is larger than the sum of its proper divisors (5947494165).

11234155203 is a wasteful number, since it uses less digits than its factorization.

11234155203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73425874 (or 73425871 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11234155203 its reverse (30255143211), we get a palindrome (41489298414).

The spelling of 11234155203 in words is "eleven billion, two hundred thirty-four million, one hundred fifty-five thousand, two hundred three".