11863613203 has 8 divisors (see below), whose sum is σ = 12783536528. Its totient is φ = 10944738144.

The previous prime is 11863613191. The next prime is 11863613221. The reversal of 11863613203 is 30231636811.

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

It is a cyclic number.

It is not a de Polignac number, because 11863613203 - 2¹³ = 11863605011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11863613303) 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, 238476 + ... + 283897.

It is an arithmetic number, because the mean of its divisors is an integer number (1597942066).

Almost surely, 2^11863613203 is an apocalyptic number.

11863613203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11863613203 is a deficient number, since it is larger than the sum of its proper divisors (919923325).

11863613203 is a wasteful number, since it uses less digits than its factorization.

11863613203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524133.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 11863613203 in words is "eleven billion, eight hundred sixty-three million, six hundred thirteen thousand, two hundred three".