11863431827 has 8 divisors (see below), whose sum is σ = 13527533376. Its totient is φ = 10306691712.

The previous prime is 11863431787. The next prime is 11863431847. The reversal of 11863431827 is 72813436811.

11863431827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11863431827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11863431847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26840123 + ... + 26840564.

It is an arithmetic number, because the mean of its divisors is an integer number (1690941672).

Almost surely, 2^11863431827 is an apocalyptic number.

11863431827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11863431827 is a deficient number, since it is larger than the sum of its proper divisors (1664101549).

11863431827 is a wasteful number, since it uses less digits than its factorization.

11863431827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53680717.

The product of its digits is 193536, while the sum is 44.

The spelling of 11863431827 in words is "eleven billion, eight hundred sixty-three million, four hundred thirty-one thousand, eight hundred twenty-seven".